2-9 July 2014
Valencia, Spain
Europe/Madrid timezone
Home > Contribution List
Displaying 856 contributions out of 856
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
We use large-scale lattice simulations to compute the rate of baryon number violating processes (the sphaleron rate), the Higgs field expectation value, and the critical temperature in the Standard Model across the electroweak phase transition temperature. While there is no true phase transition between the high-temperature symmetric phase and the low-temperature broken phase, the cross-over is ... More
Presented by Ms. Michela D'ONOFRIO
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Dalitz plot analyses of $D \to K_S^0 h h$ ($D = D^0$ or $\bar{D}^0$, $h = K$ or $\pi$) decays following $B \to D^{(*)} K^{(*)}$ decay provide sensitive measurements of CP-violating angle $\phi_3$. We present the first measurement of the CP-violating angle $\phi_3$ using a model-dependent Dalitz plot analysis of $B \to D K$, $D \to K_S^0 K^{\pm} \pi^{\mp}$ decays, and unique model-independent Dali ... More
Presented by Dr. Yoshiyuki ONUKI on 4 Jul 2014 at 17:00
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The rare decays $B_{s,d}^0 \to \ell^+\ell^-$ are analyzed within the general framework of the aligned two-Higgs doublet model. We present a complete one-loop calculation of the relevant short-distance Wilson coefficients, giving a detailed technical summary of our results and comparing them with previous calculations performed in particular limits or approximations. We investigate the impact of va ... More
Presented by Dr. Jie LU on 4 Jul 2014 at 11:45
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We search for CP violation in $D^0$ and $\bar{D}^0$ decays to the $\pi^0 \pi^0$ final state and measure $D^0$-$\bar{D}^0$ mixing in the decays of $D^0 \to K^+ \pi^-$ and $K_S ^0 \pi^+ \pi^-$. The asymmetry obtained in the rate of $D^0$ and $\bar{D}^0$ decays to the $\pi^0 \pi^0$ final state, $[-0.03 \pm 0.64(stat) \pm 0.10(syst)]\%$, is consistent with no CP violation. The mixing parameters are me ... More
Presented by Mr. Nisar NELLIKUNNUMMEL on 4 Jul 2014 at 15:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Models of electroweak symmetry breaking with extended Higgs sectors are theoretically well motivated. In this study, we investigate the phenomenology of the new Yukawa couplings in generic two-Higgs-doublet models. We find that a heavy charged Higgs together with $\alpha, \tan\beta\sim O(1)$, type-II and III could enhance the two-photon production cross section; however, with large $\tan\b ... More
Presented by Ms. SOUAD SEMLALI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
Position sensitivity in semiconductor detectors of ionizing radiation is usually achieved by the segmentation of the sensing diode junction in many small sensing elements read out separately as in the case of conventional microstrips and pixel detectors. Alternatively, position sensitivity can be obtained by splitting the ionization signal collected by one single electrode amongst more than one re ... More
Presented by Ms. Currás Rivera ESTEBAN
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
In this talk, the latest results from CMS on searches for stop and sbottom squarks are presented. Searches for direct 3rd generation squark production in a variety of decay channels are reviewed. The results are based on 20/fb of data collected during the 8 TeV LHC run.
Presented by Mr. Nickolas MC COLL on 3 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
The miniTimeCube (mTC) is the world's smallest neutrino detector. The two liter plastic scintillator target is viewed by 24 Photonis 64 anode PMTs (1536 pixels in total), has a single pulse resolution of <100ps with waveform recording up to 12 microseconds. Analysis of data from the UH manufactured PMT mounted digitization electronics will provide critical event discrimination. Tests at NIST, G ... More
Presented by Glenn JOCHER
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Quarkonium polarization data, usually considered a difficult challenge for the QCD description of quarkonium production and relegated to an a posteriori test of predictions exclusively driven by cross-section measurements (with puzzling results), provide in reality the most fundamental, direct and model-independent connection to the production mechanisms. Simultaneously fitting charmonium and bott ... More
Presented by Dr. Carlos LOURENCO
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
DarkSide-50 (DS-50) at Gran Sasso underground laboratory, Italy, is a direct dark matter search experiment based on a TPC with liquid argon from underground sources. The DS-50 TPC, with 50 kg of active argon and a projected fiducial mass of >33 kg, is installed inside an active neutron veto based on a boron-loaded organic scintillator. The neutron veto is built inside a water cherenkov muon veto. ... More
Presented by Dr. Stefano DAVINI on 4 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
This poster presents a model-independent general search for new phenomena in proton-proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the LHC. The data set corresponds to a total integrated luminosity of 20.3/fb. Event topologies involving isolated electrons, photons and muons, as well as jets, including those identified as originating from b-quarks and missing trans ... More
Presented by Simone AMOROSO
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We report on precision measurements of the electro-weak mixing angle and an indirect measurement of the W mass extracted from the forward-backward asymmetry of both e+e- and mu+mu- Drell-Yan events in the Z boson mass region at CDF.
Presented by Prof. Arie BODEK on 5 Jul 2014 at 09:00
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The Large Hadron Electron Collider (LHeC) is a proposed facility that will exploit the LHC beams for electron-proton/nucleus scattering, using a new 60 GeV electron accelerator. Here we present the detector concept for the measurement of precision deep inelastic scattering phenomena, with the reconstruction of Higgs decay final states with maximum acceptance as benchmark. We also discuss the chose ... More
Presented by Max KLEIN
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Full-simulation studies of jet reconstruction at future e+e- colliders at the energy frontier have shown that the overlaid energy deposits due to the gamma gamma -> hadrons background can have an important impact on the performance. We present a new sequential recombination algorithm for e+e- colliders and compare its performance to the most commonly used jet reconstruction algorithms. The Valenc ... More
Presented by Mr. Nacho GARCIA
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
There exist a long standing tension among determinations of the CKM matrix element $|V_{ub}|$ from various (semi)leptonic $B$ decay channels with varying significance of up to $\sim 3\sigma$. An interesting possibility to ease this tension is to allow for a right-handed contribution to the standard model left-handed weak current mediating the $b\rightarrow u$ quark decay. The current bounds on suc ... More
Presented by Mr. Sascha TURCZYK on 5 Jul 2014 at 13:00
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
A parameter study of PYTHIA6 Multiple Parton Interaction (MPI) using best fit to the data published by ATLAS Collaboration is presented. Altogether thirteen parameters are investigated to find the most sensitive parameters to the selected data. This type of study helps in better understanding of different parameters needed to be used in PYTHIA6 tunes.
Presented by Dr. Nameeqa FIRDOUS
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
We present a family of exact solutions, depending on two parameters alpha and b (related to the scalar field strength), to the three-dimensional Einstein-scalar field equations with negative cosmological constant. For b = 0 these solutions reduce to the static BTZ family of vacuum solutions, with mass M =- alpha. For nonvanishing b, the solutions become dynamical and develop a strong spacelik ... More
Presented by Dr. Alessandro FABBRI on 5 Jul 2014 at 16:30
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
It is proposed that a single Higgs-like tachyonic cosmological scalar field generates the late-time acceleration of the universe due to interaction among its components. It is found that the B-mode polarization can also be obtained from the tensor perturbations arising from the present acceleration. This may contribute to the relatively high value of the tensor-to-scalar ratio $r\sim0 ... More
Presented by Dr. Murli VERMA
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
In present work we investigate the interaction of $\bar B N$, $\bar B \Delta$, $\bar B^* N$ and $\bar B^* \Delta$ states, together with their coupled channels. We consider the heavy quark spin symmetry for pion exchange and reproduces the results of the Weinberg Tomozawa term, coming from light vector exchanges in the extended local hidden gauge approach. With this dynamics we search states dynami ... More
Presented by Mr. chw XIAO
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
In this talk, we will present a concrete model of a low energy effective field theory of QCD, the well-known Skyrme Model. Specifically, we will work with the BPS submodel [1] in order to describe the binding energies of nuclei. This BPS Skyrme model is charaterized by having a saturated bound for the energy proportional to the baryon number of the nuclei. After presenting this classical result, w ... More
Presented by Mr. Carlos NAYA on 5 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Education and Outreach
Semiconductor devices are widely used as radiation sensors in many physics applications. They are of uttermost importance in the High Energy Physics experiments as tracking devices and extensively used in Nuclear Physics for spectroscopy. Moreover, silicon sensors have an increasing number of applications in imaging Medical Physics where their low cost, miniaturization, packaging and integration o ... More
Presented by Mr. Pepe BERNABEU, Carmen GARCIA
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Origin of high energy positrons in cosmic rays remains highly uncertain. In addition to being produced in the interactions of cosmic ray nuclei with interstellar media they may be produced in nearby pulsars, in the annihilation of Dark Matter particles or in a yet unknown process. The nature of the production mechanisms are expected to influence the abundance of cosmic-ray positrons and electorns. ... More
Presented by Dr. Zhili WENG, Mr. Valerio VAGELLI on 5 Jul 2014 at 16:46
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
ANAIS (Annual modulation with NAI Scintillators) experiment will look for dark matter annual modulation with 250 kg of ultra-pure NaI(Tl) scintillators at the Canfranc Underground Laboratory (LSC), aiming to confirm the DAMA/LIBRA positive signal in a model-independent way. The detector will consist in 20 close-packed single modules, each of them coupled to two high efficiency Hamamatsu photomulti ... More
Presented by Dr. María MARTíNEZ
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
International Linear Collider( ILC ) adopt local chromaticity correction scheme in the final focus system. ATF2 is a project to test the performance of the ILC final focus system experimentally. A new test beam line was constructed downstream of ATF Damping Ring( DR ) in KEK in 2008. Though the energy is as low as 1.3GeV while 250 GeV for the ILC, low emittance beam is available from the DR. The o ... More
Presented by Dr. Shigeru KURODA on 5 Jul 2014 at 15:50
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
ATLAS Computing challenges before the next LHC run On behalf of the ATLAS Collaboration ATLAS software and computing is in a period of intensive evolution. The current long shutdown presents an opportunity to assimilate lessons from the very successful Run 1 (2009-2013) and to prepare for the substantially increased computing requirements for Run 2 (from spring 2015). Run 2 will bring a near d ... More
Presented by Prof. Dario BARBERIS on 3 Jul 2014 at 16:00
Type: Poster Session: Poster Session
Track: Computing and Data Handling
Electron and photon triggers are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. Final states including leptons and photons had, for example, an important role in the discovery and measurement of the Higgs particle. Dedicated triggers are also used for the collection of J/ψ →e+ e− , W→ eν and ... More
Presented by Mr. Aleksei EZHILOV
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Run-I at the LHC has been very successful and included the discovery of a new particle with mass of about 125 GeV compatible within uncertainties with the Higgs boson predicted by Standard Model. In this talk, the Higgs physics prospects at the high-luminosity LHC are presented, assuming an energy sqrt(s) = 14 TeV and a data sample of 3 ab-1. In particular, the ultimate precision attainable on t ... More
Presented by Dr. Reina CAMACHO on 5 Jul 2014 at 15:20
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The measurement of charge particle trajectories with the inner tracking detectors at the ATLAS experiment is a key input for higher-level object reconstructions, ranging from leptons to the identification of heavy-flavor jets. In addition the information provided by the inner tracking systems has been proven to be very powerful for disentangling the effects of several interactions occurring in the ... More
Presented by Wolfgang LUKAS on 5 Jul 2014 at 16:55
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
During the 2011 data-taking run, the Large Hadron Collider (LHC) collided proton beams at the energy of 7 TeV in the centre-of mass, as well as heavy ions at the centre of mass energy of 2.76 TeV. The ATLAS Trigger is designed to reduce the rate of events from the nominal maximum bunch-crossing rate of 20 MHz to approximately 400 Hz, which will then be written on disk offline. The online selection ... More
Presented by Dr. sue CHEATHAM on 4 Jul 2014 at 15:45
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
The ATLAS Education & Outreach program supports a wide variety of projects designed to communicate the goals and accomplishments of the ATLAS Experiment to the general public. Essential to the implementation of these projects are a well structured and current communication plan, an active core group with diverse expertise, and an engaged and imaginative collaboration. We present a small sampling ... More
Presented by Dr. Steven GOLDFARB on 3 Jul 2014 at 11:40
Type: Poster Session: Poster Session
Track: Education and Outreach
The heart and soul of nearly any major communication effort (at least during the post-web era) is its public home page. This is the platform that introduces the audience to the look, feel and purpose of the organization. It is where one learns of goals and accomplishments, news and features, general principles, specific details, and where to find more information about the latest discovery. This ... More
Presented by Dr. Steven GOLDFARB
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
After the successful LHC operation at the center-of-mass energies of 7 and 8 TeV in 2010 - 2012, plans are actively advancing for a series of upgrades of the accelerator, culminating roughly ten years from now in the high luminosity LHC (HL-LHC) project, delivering of the order of five times the LHC nominal instantaneous luminosity along with luminosity leveling. The final goal is to extend the da ... More
Presented by Dr. Carlos LACASTA on 3 Jul 2014 at 11:40
Type: Poster Session: Poster Session
Track: Education and Outreach
ATLAS Virtual Visits is a project initiated in 2011 for the Education & Outreach program of the ATLAS Experiment at CERN. Its goal is to promote public appreciation of the LHC physics program and HEP, in general, through direct dialogue between ATLAS physicists and remote audiences. A Virtual Visit is an IP-based videoconference, coupled with a public webcast and video recording, between physi ... More
Presented by Dr. Steven GOLDFARB
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
ATLAS has achieved a very high precision on jet and missing transverse energy performance by the use of advanced calorimeter-based topological clustering and local cluster calibration, event-by-event pile-up subtraction methods, and in situ techniques to correct for the residual jet energy response difference between data and simulation. Tracking information is being combined with calorimeter to f ... More
Presented by Peter BERTA on 3 Jul 2014 at 12:20
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
An overview is given of the ATLAS searches for new massive states decaying to top quark pairs. The combination of classical, resolved selection and reconstruction of the top quark pair with an algorithm designed specifically for boosted top quarks yields good acceptance for a broad range of resonance masses. A new result is presented from an analysis of 20/fb of proton-proton collisions collected ... More
Presented by Ms. VICTORIA SANCHEZ MARTINEZ
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
The AWAKE Collaboration has been formed in order to demonstrate proton-driven plasma wakefield acceleration for the first time. This technology could lead to future colliders of high energy but of a much reduced length compared to proposed linear accelerators. The CERN SPS proton beam in the CNGS facility will be injected into a 10 m plasma cell where the long proton bunches will be modulated in ... More
Presented by Dr. Chiara BRACCO on 3 Jul 2014 at 16:50
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Laser acceleration in dielectric structures offers a new approach to the next generation of accelerators. The recently demonstrated gradient of 300MeV/m is a first step toward an accelerator system with all essential elements designed to be fabricated on a chip using modern lithographic methods. Progress on beam position and the future possibilities of X-ray generation with a dielectric undulato ... More
Presented by Prof. Robert L. BYER on 5 Jul 2014 at 17:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The acoustic neutrino detection technique is a promising approach for future large-scale detectors with the aim of measuring the small expected flux of cosmogenic neutrinos at energies exceeding 100 PeV. The technique is based on the thermo-acoustic model, which implies that the energy deposition by a particle cascade - resulting from a neutrino interaction in a medium with suitable thermal and ac ... More
Presented by Dr. Robert LAHMANN on 5 Jul 2014 at 12:42
Type: Poster Session: Poster Session
Track: Detector RD and Performance
ATLAS is a multipurpose experiment at the LHC proton-proton collider. In order to reconstruct trajectories of charged particles, ATLAS is equipped with a tracking system built using different technologies, silicon planar sensors (pixel and micro-strip) and gaseous drift-tubes, all embedded in a 2T solenoidal magnetic field. For the LHC Run II, the system is being upgraded with the installation of ... More
Presented by Pierfrancesco BUTTI
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
For the e+e- C-parameter we use soft-collinear effective theory to derive a factorization theorem, and then compute the cross section at N3LL + O(alphas^3). Differences with Thrust are highlighted. Our result holds for C in the peak, tail, and far tail regions, and we treat hadronization effects using a universal nonperturbative soft function defined in field theory. We analyze all available C-p ... More
Presented by Dr. Vicent MATEU on 5 Jul 2014 at 10:20
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I present a discussion of recent developments in the QCD description of hadronic tau decays with emphasis in the perturbative contribution. The perturbative series is the main ingredient in the extraction of the strong coupling (alpha_s) from these decays. The ambiguity due to the different prescriptions regarding the renormalization group improvement of the series is studied under different ... More
Presented by Dr. Diogo BOITO on 5 Jul 2014 at 10:35
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
In this work, we present one construction involving the 3-3-1 model with heavy leptons plus an abelian factor with charge B-L. The major characteristic of this class of models: the relation between the number of families and the chiral anomalies cancellation, is mantained when the anomalies associated with the BL charge are too included. Some implications about the phenomenology of the model in t ... More
Presented by Dr. Elmer RAMIREZ BARRETO
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
In this paper the status of CEPC/SppC will be reviewed covering project goals, accelerator design study status, time line, key design drivers, and accelerator physics challenges, et cetera.
Presented by Prof. Jie GAO on 4 Jul 2014 at 09:25
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
We present the updated measurement of the muon neutrino interaction rates and spectrum at the T2K near detector complex, ND280, located at the JPARC accelerator facility in Tokai, Japan, 280 meters downstream from the target. The measurements are obtained using all the data collected until 2014. The spectrum measured at ND280 off-axis detector constrains the flux and cross section uncertainties in ... More
Presented by Dr. Anthony HILLAIRET on 5 Jul 2014 at 10:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The large angular scale distribution of UHECRs is expected to become an important tool to infer CR properties in the near future, as a considerable statistics is being gathered by the Pierre Auger and TA observatories. Here we obtain the dipolar anisotropy of cosmic crays diffusing from nearby extragalactic sources. We discuss both the energy regime of spatial diffusion and the quasi-rectilinear o ... More
Presented by Dr. Silvia MOLLERACH on 5 Jul 2014 at 16:08
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
In this work we study in detail the phenomenological impact of anomalous Higgs couplings in angular asymmetries of the crossing symmetric processes H--->Zll and e+e- --> HZ. Beyond Standard Model (BSM) physics is parametrized in terms of the SU(3)xSU(2)xU(1) dimension six effective Lagrangian. In the light of present bounds on d=6 interactions we study how angular asymmetries can reveal non-stan ... More
Presented by Dr. Diogo BOITO on 5 Jul 2014 at 17:00
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
One of the main processes to study the Higgs self-coupling, HHH is e+e− → ZHH. There had been studies on how precisely this coupling can be determined at ILC through this process. This process is also dictated by the couplings of the Higgs boson with the gauge boson, especially ZZH coupling. Presence of anomalous ZZH, ZγH, and ZZHH couplings, may change the process on HHH coupling. Here, we i ... More
Presented by Mr. Satendra KUMAR
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The IceCube Neutrino Observatory at the South Pole has powerful capabilities to explore the universe. Two of its primary goals are to observe cosmic neutrinos with TeV energies and above, and to find astrophysical sources of ultra high energy cosmic rays. IceCube is comprised of a cubic kilometer of glacial ice instrumented with 86 vertical strings, each with 60 optical sensors deployed at depths ... More
Presented by Joanna KIRYLUK on 5 Jul 2014 at 11:30
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Neutrinos produced by cosmic-ray interactions in the Earth's atmosphere are a background in the search for neutrinos of astrophysical origin. In addition, they provide a beam that can be used for calibration and to study neutrino properties, such as oscillations. Several issues that arise in evaluating the atmospheric neutrino spectrum up to the PeV range will be addressed in this paper: What i ... More
Presented by Thomas GAISSER on 5 Jul 2014 at 11:54
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I review recent progress in the development of automated tools for QCD calculations, especially at NLO, and their application to LHC processes.
Presented by Dr. Simon BADGER on 3 Jul 2014 at 11:25
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
After almost 25 years since their suggestion as a good solution to the strong CP-problem, axions remain one of the viable candidates for the Dark Matter, although still eluding detection. Most of the methods for their detection are based on their coupling to photons, one of the most promising ones being the helioscope technique. We will report on the current status of the CERN Axion Solar Telesco ... More
Presented by Dr. Theopisti DAFNI on 5 Jul 2014 at 17:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We use the light front wave functions obtained from the AdS/QCD model for light mesons to calculate the transition form factors for B to \rho, K* decays. We analyze the semileptonic B->\rho l nu and radiative B->K* mu+mu- decays and point out the distinctive features of the AdS/QCD model.
Presented by Dr. Mohammad AHMADY
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We present new lifetime measurements of B mesons, using 10.4 fb-1 of proton-antiproton collisions collected by the D0 detector during Run II at the Fermilab Tevatron Collider. We report an update of the B_s^0 lifetime in semi-inclusive flavor-specific decays B_s^0 -> mu nu D_s X (and charge conjugate). We account for the missing energy from the neutrino and other possible undetected decay products ... More
Presented by Prof. Rick VAN KOOTEN on 5 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Neutrino Physics
NEXT (Neutrino Experiment with a Xenon TPC) is a neutrinoless double-beta (bb0nu) decay experiment that will operate at the Canfranc Underground Laboratory (LSC). It is an electroluminescent high-pressure gaseous xenon Time Projection Chamber based on separated-function capabilities for calorimetry and tracking. Energy resolution and background suppression are the two key features of any neutrin ... More
Presented by Miquel NEBOT-GUINOT
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
We will start with a brief overview of ways to explain the similarity between the energy content of baryons and dark matter in the Universe. Then we will focus on scenarios of baryogenesis from dark matter annihilation, outlining the main ingredients. Finally we will present a variation of these mechanisms that brings a connection between the baryon asymmetry, dark matter, and neutrino masses.
Presented by Dr. Jean RACKER on 3 Jul 2014 at 12:54
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
The LBNE beamline complex is designed to provide a neutrino beam of sufficient intensity and energy to meet the goals of the LBNE experiment with respect to long-baseline neutrino oscillation physics. Presented in this talk will be the issues related to the baseline design from the physics, beam power (>1 MW), lifetime, and radiological requirements. Potential future upgrades to the beamline to ... More
Presented by Dr. Heidi SCHELLMAN on 3 Jul 2014 at 15:25
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The first phase of the Borexino experiment, currently running at the Laboratori del Gran Sasso in Italy, has been completed in 2010, and after a successful purification campaign which have further brought down the background levels, a second data taking phase is now in progress, started in October 2011. In this talk the, after recalling the main features of the detector, the final results of Phas ... More
Presented by Sandra ZAVATARELLI on 4 Jul 2014 at 12:00
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
After the recent discovery of a boson with mass around 125 GeV with Standard Model-like properties, the possibility of an enlarged scalar sector arises as a natural question. The discovery of an extra scalar would be the ultimate proof of this scenario. Keeping the generic Yukawa structure of the Aligned Two-Higgs Doublet Model framework, we study the implications of the LHC data on the allowed sc ... More
Presented by Mr. Victor ILISIE on 5 Jul 2014 at 12:20
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We use the large dataset collected with the BABAR detector to measure the branching fractions and CP asymmetries of the inclusive decays B -> Xs l+ l- and B -> Xs gamma. We adopt a sum-of-exclusive-states method, whereby 20 different final states are selected. The branching fraction and CP asymmetry for B -> Xs l+ l- are measured in intervals of q2 (di-lepton invariant mass) and also in bins of ... More
Presented by Prof. Gerald EIGEN on 5 Jul 2014 at 15:45
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Branching fractions and CP-violating asymmetries of charmless three-body decays of B_{u,d} and B_s mesons are studied using a simple model based on the factorization approach. We consider both resonant and nonresonant contributions. Dominant nonresonant contributions to tree-dominated three-body decays can be evaluated using heavy meson chiral perturbation theory valid in the soft meson limit. For ... More
Presented by Prof. Hai-Yang CHENG on 4 Jul 2014 at 13:15
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Dark Matter (DM) is thought to make up ∼ 84.5% of the matter content of the universe. It is a key ingredient of the standard model of cosmology (ΛCDM) and could provide a window to new theories beyond the standard model of particle physics. There has been much recent interest in low-mass (O(5 GeV)) Weakly Interacting Massive Particles, as predicted by certain supersymmetric models and other the ... More
Presented by Mr. Yohan RICCI on 4 Jul 2014 at 09:38
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
With an eye toward the precision physics of the LHC, FCC-ee and possible high energy muon colliders, we present the extension of the CEEX (coherent exclusive exponentiation) realization of the YFS approach to resummation in our KK MC to include the processes $f\bar{f}\rightarrow f'\bar{f'}, f=\mu,\tau, q,\nu_\ell, f'=e, \mu,\tau, q, \nu_\ell, q=u,d,s,c,b,t, \ell =e,\mu,\tau with f \ne f'. After g ... More
Presented by Prof. Bennie WARD
Session: Opening Ceremony
Presented by Prof. Rolf-Dieter HEUER on 7 Jul 2014 at 09:00
Presented by Prof. Rolf-Dieter HEUER on 5 Jul 2014 at 18:15
Presented by Dr. Sergio BERTOLUCCI on 5 Jul 2014 at 19:15
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
CERN@school [1] brings technology from CERN [2] into the classroom to aid with the teaching of particle physics. It also aims to inspire the next generation of physicists and engineers by giving participants the opportunity to be part of a national collaboration of students, teachers and academics, analysing data obtained from detectors based on the ground and in space to make new, curiosity-drive ... More
Presented by Dr. Tom WHYNTIE on 3 Jul 2014 at 11:15
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
We compute the decay constants of the lowest ccbar-states with quantum numbers J(PC)=0(-+) [eta_c], 1(--) [J/psi], and 1(+-) [hc] by using lattice QCD and QCD sum rules. We consider the coupling of J/psi to both the vector and tensor currents. Lattice QCD results are obtained from the unquenched (Nf=2) simulations using twisted mass QCD at four lattice spacings, allowing us to take the continuum l ... More
Presented by Blazenka MELIC on 4 Jul 2014 at 15:50
Presented by Prof. Steinar STAPNES on 6 Jul 2014 at 10:50
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
Detectors at CLIC are optimised for precision e+e- physics at multi-TeV centre-of-mass energies, as well as for the CLIC-specific beam timing conditions and beam-induced background processes. The talk will provide an overview of these requirements, illustrated on the basis of example physics benchmark processes, and show how optimal physics performance can be achieved under these conditions. The r ... More
Presented by Marcel DEMARTEAU on 5 Jul 2014 at 09:40
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
We review the online and offline workflows designed to align and calibrate the CMS detector. Starting from the gained experience during the first LHC run, we discuss the expected developments for Run II. In particular, we describe the envisioned different stages, from the alignment using cosmic rays data to the detector alignment and calibration using the first proton-proton collisions data ( O(10 ... More
Presented by Dr. federico DE GUIO on 4 Jul 2014 at 15:30
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
The CMS Computing system was successfully commissioned and operated in the first run of LHC. Beginning in 2015, CMS will collect, process, simulate and analyze 1kHz of higher complexity, higher energy events. In order to meet this increased computing challenge within the resource budget expected, we have had to evolve the computing model and the techniques used. In this presentation we will ... More
Presented by Dr. Maria GIRONE on 3 Jul 2014 at 16:30
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
The LHC Run II will confront us with new challenges, mainly due to the higher number of interactions per bunch crossing (pileup) and the reduced time distance between bunches. Moreover, the higher energy shifts the interest to complex physics objects such as boosted topologies for jet studies. In order to be ready for the beginning of the run, in view of an early discovery, the CMS Collaboratio ... More
Presented by Dr. Nancy MARINELLI on 4 Jul 2014 at 16:00
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The performance of CMS detector during LHC Run 1 will be presented. Planned improvements for Run 2 will also be discussed.
Presented by Dr. Silvia GOY LOPEZ on 3 Jul 2014 at 11:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of abstract merging: Measurements of the top quark mass are presented using data collected by the CMS experiment in proton-proton collisions at the LHC at centre-of-mass energies of 7 and 8 TeV. Analyses in several decay channels of top quark pair events are employed to determine the top quark mass. The results are combined and compared to the world average. Measurements of the top quark ... More
Presented by Dr. Rainer WALLNY on 4 Jul 2014 at 12:20
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The trigger systems of the LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with detector readout, offline storage and analysis capability. The CMS experiment has been designed with a two-level trigger system: the Level-1 Trigger (L1T), implemented on custo ... More
Presented by Dr. Darin ACOSTA on 5 Jul 2014 at 11:30
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The CMS muon system has played a key role for many physics results obtained from the LHC Run 1 data. The LHC will increase the beam energy as well as progressively increase the peak instantaneous luminosity in Run 2 and in the following years. Significant consolidation and upgrade activities are ongoing, in order to improve the CMS muon detectors and trigger performance and robustness. With LHC an ... More
Presented by Dr. Luigi GUIDUCCI on 4 Jul 2014 at 15:00
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
After the discovery of the Higgs boson, the Large Hadron Collider will resume operations in 2015 at 13 TeV aiming to collect over 300 fb$^{-1}$ by 2023, with design luminosity up to $2 \times 10^{34} cm^{-2} s^{-1}$. The success of the following major machine upgrade, HL–LHC, planned to achieve considerably higher annual integrated luminosity to achieve 3000 fb$^{-1}$ depends crucially on mainta ... More
Presented by Nadia PASTRONE on 3 Jul 2014 at 11:20
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The Drell-Yan (DY) process is considered to be a powerful tool to study hadron structure. A new generation of polarized DY measurements using unpolarized pion beam and polarized target is under the preparation at COMPASS experiment at CERN. One of the key experimental tasks here is the modification of the unique COMPASS low temperature polarized target for Drell-Yan experiment which is the prerequ ... More
Presented by Dr. Michael FINGER
Session: Plenary Session
Presented by Prof. Thomas E. BROWDER on 8 Jul 2014 at 09:00
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
This talk has two highlights: a. The utility of the Dirac δ – function as an aid to repetitive integration in multiple integrals, and b. An extension to 3 + 1 dimensional stationary curved space of a recent effort by the author in 2 + 1 dimensional stationary curved space to determine the zeta function for the Lagrangian density for a real massive scalar field using the Schwinger operator expan ... More
Presented by Prof. Gopinath KAMATH on 5 Jul 2014 at 12:00
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The Compact Muon Solenoid (CMS) is one of two general-purpose detectors that reconstruct the products of high energy particle interactions at the Large Hadron Collider at CERN. The silicon pixel detector is the innermost component of the CMS tracking system. It determines the trajectories of charged particles originating from the interaction region in three points with high resolution enabling pre ... More
Presented by Mr. Tamas Almos VAMI
Presented by Prof. Emilio LORA-TAMAYO on 3 Jul 2014 at 09:30
Presented by Prof. Adolfo AZCáRRAGA on 3 Jul 2014 at 10:00
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Searches for direct production of chargino (chi1) and neutralino (xi2) leading to final states characterized by the presence of a Higgs boson are reported. Events containing missing transverse momentum and one or more leptons are selected, and various channels sensitive to different Higgs decays are considered. The analyses use 20.3 fb−1 of proton–proton collision data at s√ = 8 TeV recorded ... More
Presented by Claire DAVID
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We measured the asymmetry A_CP of branching ratios of D0—> K-pi+ in the CP-odd and CP-even eigenstates to be (12.7+/1/3+/-0.7)% based on 2.92fb-1 of data accumulated at psi(3770) at BESIII/BEPCII. The A_CP can be used to extract the strong phase difference delta_Kpi between the double Cabbibo-suppressed process D0b —> K-pi+ and the Cabbibo-favored process D0—>K-pi+. Using the world-average v ... More
Presented by Dr. Shengsen SUN on 4 Jul 2014 at 15:15
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The copious production of charm quarks at HERA has yielded a detailed understanding of QCD dynamics, the only measure of the charm contribution to the proton structure, as well as a measurement of the charm mass. Although with smaller samples, measurements of beauty production also place constraints on the structure of the proton and allow a measurement of the beauty quark mass. Severa ... More
Presented by Dr. Misha LISOVYI on 4 Jul 2014 at 15:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Recent measurements of final states including charm hadrons observed at the HERA collider are presented. The H1 and ZEUS collaborations combined their D* differential cross section measurements and reach precisions as good as 5-10%, whereas the theory uncertainties are much larger. Using the ZEUS experiment, D* production was measured at different centre-of-mass energies. The production of D1 ... More
Presented by Dr. Michel SAUTER on 4 Jul 2014 at 15:45
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
In the first three years of running, the LHC has delivered a wealth of new data that is now being analysed. With over 20 fb−1 of integrated luminosity, both ATLAS and CMS have performed many searches for new physics that theorists are eager to test their model against. However, tuning the detector simulations, understanding the particular analysis details and interpreting the results can be a te ... More
Presented by Dr. Jong Soo KIM on 4 Jul 2014 at 09:00
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
New final results from an analysis of about 400 K+- --> pi+- gamma gamma rare decay candidates collected by the NA48/2 and NA62 experiments at CERN during low intensity runs with minimum bias trigger configurations are presented. The results include a model-independent decay rate measurement and fits to Chiral Perturbation Theory (ChPT) description. The data support the ChPT prediction for a cusp ... More
Presented by Mr. Bob VELGHE
Type: Poster Session: Poster Session
Track: Neutrino Physics
Flavour symmetries have been used to constrain both quark and lepton mixing parameters. In particular, they can be used to completely fix the mixing angles. For the lepton sector, assuming that neutrinos are Majorana particles, we have derived the complete list of mixing patterns achievable in this way, as well as the symmetry groups associated to each case. Partial computer scans done in the past ... More
Presented by Renato FONSECA
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
On 12th November 2013 the Science Museum in London launched Collider, a major temporary exhibition about the Large Hadron Collider at CERN. The launch event was attended by Peter Higgs, Stephen Hawking, Rolf Heuer and the UK Chancellor of the Exchequer and attracted significant media attention and critical praise in the UK and internationally. By the time the exhibition completes its London run it ... More
Presented by Dr. Harry CLIFF on 3 Jul 2014 at 12:30
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Fragmentation functions (FFs) describe the formation of final state particles from a partonic initial state and are directly related to the QCD phenomenon of confinement. Precise knowledge of these functions is a key ingredient in accessing quantities such as the nucleon spin structure in semi-inclusive deep inelastic scattering (SIDIS) and proton-proton collisions. Using Belle data, we study the ... More
Presented by Prof. Min-Zu WANG
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The combined measurements of the properties of the Higgs boson using the ATLAS detector and up to 25 fb-1 of 7 TeV and 8 TeV pp collision data collected in 2011 and 2012, are discussed.
Presented by Mr. Dag GILLBERG on 4 Jul 2014 at 15:15
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Combinations of several measurements of top quark physics from ATLAS and CMS are presented and compared with the expectations from theory. This includes measurements of top quark pair and single top production cross sections as well as properties. The world average combination of the top quark mass will also be presented. The treatment of experimental and modelling systematic uncertainties in the ... More
Presented by Dr. Maria ALDAYA MARTIN on 4 Jul 2014 at 12:55
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
We present the combined study of the Higgs boson in the H->WW->lvlv channel the full 25 fb-1 of data collected at 7 and 8 TeV center of mass energy collected by the ATLAS experiment at the LHC. In particular, the extractions of the signal yields from the combination of the major production modes and their associated signal strengths will be presented presented. The interpretation of these w ... More
Presented by Dr. Hee Yeun KIM
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The combination of the coupling results of all Higgs boson decay channels measured at CMS is presented. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV corresponding to integrated luminosities of 5/fb and 20/fb respectively. Various fits looking for deviations of the couplings from the Standard Model predictions are carried out and the results are sum ... More
Presented by Dr. Mingshui CHEN on 4 Jul 2014 at 15:35
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
NOvA, the NuMI Off-Axis electron Neutrino Appearance experiment is designed to carry out studies of numu->nue oscillation, char- acterized by the mixing angle theta-13. A complementary pair of detectors have been constructed roughly 14 mrad o ff the beam axis to optimize the purity of the electron neutrino signal at the far detector against neutral current backgrounds. The far detector is l ... More
Presented by Prof. Jim MUSSER on 3 Jul 2014 at 16:00
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The highly granular calorimeter prototypes of the CALICE collaboration have provided large data samples with precise three-dimensional information on hadronic showers with steel and tungsten absorbers and silicon, scintillator and gas detector readout. From these data sets, detailed measurements of the spatial structure, including longitudinal and lateral shower profiles and of the shower substruc ... More
Presented by Dr. Eva SICKING on 3 Jul 2014 at 15:55
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present the current status of the comparisons with the respective data of the predictions of our approach of exact amplitude-based resummation in quantum field theory as applied to precision QCD calculations as needed for LHC physics, using the MC Herwiri1.031. The agreement between the theoretical predictions and the data exhibited continues to be encouraging.
Presented by Prof. Bennie WARD
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
The existence of large matter-antimatter asymmetry (CP violation) in the b-quark system as predicted in the Kobayashi-Maskawa theory was established by the B-Factory experiments, Belle and BaBar. However, this cannot explain the magnitude of the matter-antimatter asymmetry of the universe we live in today. This indicates undiscovered new physics exists. The Belle II experiment, the next generation ... More
Presented by Dr. Silvio PARDI on 3 Jul 2014 at 15:30
Session: Plenary Session
Presented by Dr. Richard MOUNT on 9 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
We show that precision measurement of (1) sum of neutrino masses by cosmological observation and (2) lifetime of neutrinoless double beta decay in ton-scale experiments, with supplementary use of (3) effective mass measured in single beta decay experiment, would allow us to obtain information on the Majorana phase of neutrinos. To quantify the sensitivity to the phase we use, in addition to the co ... More
Presented by Dr. Alexander QUIROGA
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
We consider the disappearance data of the Daya Bay experiment to constrain the parameter space of models where sterile neutrinos can propagate in a large compactified extra dimension (LED) and models where non-standard interactions affect the neutrino production and detection (NSI). I will show that compactification radius R in LED scenarios can be constrained at the level of 0.57μm for normal or ... More
Presented by Dr. Davide MELONI on 4 Jul 2014 at 16:30
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The LHC has observed top-pair production in association with electroweak gauge bosons in the 7 TeV dataset, with many more events expected at the higher energy and luminosity run. This allows the EW interactions of the top, previously only constrained indirectly, to be investigated directly. I will present a calculation of ttbar+Z production to NLO in QCD, including decays of the top and Z boson i ... More
Presented by Dr. Raoul RONTSCH on 3 Jul 2014 at 16:55
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Relevant constraints and selected phenomenological implications of a class of two Higgs doublet models where flavour-changing neutral currents (FCNC) couplings are suppressed by small entries of the mixing matrix are analysed. This property of the considered models is the result of a discrete symmetry of the Lagrangian such that the FCNC are completely fixed, in the quark sector, by the CKM m ... More
Presented by Dr. Miguel NEBOT on 5 Jul 2014 at 10:30
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Detection of gamma rays and cosmic rays from the annihilation or decay of dark matter particles is a promising method for identifying dark matter, understanding its intrinsic properties, and mapping its distribution in the universe. I will review recent results from the Fermi Gamma-ray Space Telescope and other space-based experiments, and highlight the constraints these currently place on particl ... More
Presented by Dr. Aldo MORSELLI on 4 Jul 2014 at 15:50
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Several models of neutrino masses predict the existence of neutral heavy leptons. Here, we review current constraints on heavy neutrinos and apply them to inverse and linear seesaw models. We discuss the effect of a fourth heavy neutrino in oscillation experiments
Presented by Mr. Francisco ESCRIHUELA on 4 Jul 2014 at 17:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The discovery of the Higgs boson opens many perspectives to explore physics beyond the Standard Model. This talk describes constraints of new physics in a number of models using the combined measurements of the coupling strength of the 125 GeV Higgs particle using the entire ATLAS run-I data. The various models presented include an additional real electroweak singlet, two Higgs doublet model ... More
Presented by Swagato BANERJEE on 4 Jul 2014 at 16:25
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Constraints on the total Higgs boson width, Gamma_H, are presented using off-shell production and decay in the ZZ channel. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV by the CMS experiment at the LHC, corresponding to integrated luminosities of 5/fb and 20/fb, respectively. The analyses are carried out in the ZZ to 4-lepton and to 2-lepton-2-neutr ... More
Presented by Dr. Loic QUERTENMONT on 3 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
One of the main issues in modern accelerator neutrino experiments is a relatively poor knowledge of the initial neutrino flux, due in particular to a large uncertainty on the production of hadrons that decay into neutrinos. T2K is a long baseline neutrino experiment that aims to precisely measure the parameters of the PMNS matrix and to look for the first indication of CP violation in the l ... More
Presented by Mr. Davide SGALABERNA
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Despite the observational evidences in favor of Dark Matter its nature is still a mystery. Theoretical realizations assume that dark matter is stable and is the lightest state within the dark sector (e.g. WIMPs). The dark sector can also contains even lighter states like dark bosons and fermions. However, those can be completely disconnected from the visible sector except by interaction with the d ... More
Presented by Dr. Roberto LINEROS on 3 Jul 2014 at 15:24
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
This talk will briefly survey the capabilities of current detectors sensitive to supernova neutrino bursts. It will then cover recent progess in development of supernova neutrino detection techniques as well as prospects for specific future experiments.
Presented by Dr. Alexander HIMMEL on 4 Jul 2014 at 12:30
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
Teaching particle physics at high-school level is always challenging, one issue being that there is no easy window onto the world of the “infinitely small”. Cosmic rays are therefore an invaluable tool to allow the students to sense the elementary particles and to understand the problems raised by their detection. In France, a collaboration started several years ago between the “Institut ... More
Presented by Dr. Nicolas ARNAUD on 3 Jul 2014 at 11:00
Presented by Prof. E. MARTINEZ-GONZALEZ on 8 Jul 2014 at 19:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
The numerous parasitic encounters in the LHC are mitigated by introducing a crossing angle between beams. Crab cavities would allow restoring head-on collisions at the interactions point, thus increasing the geometric luminosity. Crab cavities would also offer a mechanism for luminosity leveling. KEKB was the first facility to implement the crab crossing technique in 2007, for the interaction ... More
Presented by Dr. Silvia VERDú-ANDRéS on 4 Jul 2014 at 10:25
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The quest for Neutrinoless Double Beta Decay ($0\nu$DBD) represents one of the most promising ways to investigate the neutrino mass nature, Dirac or Majorana. A convincing detection claim demands for detectors with excellent energy resolution and almost zero background in the energy region of interest. These features can be obtained with the approach of the LUCIFER project, funded by an European ... More
Presented by Dr. Filippo ORIO on 3 Jul 2014 at 12:45
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The Double Chooz reactor antineutrino experiment aims for a precision measurement of the neutrino mixing angle $\theta_{13}$. Located at the Chooz nuclear power plant in France, it observes an energy dependent deficit in the neutrino spectrum, currently with one detector filled with gadolinium-loaded liquid scintillator at a baseline of 1.05\,km. The past Double Chooz publications featured differe ... More
Presented by Julia HASER on 4 Jul 2014 at 09:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Based on 2.92/fb of data accumulated at psi(3770), BESIII measured the branching ratio of (D+ —> mu+ nu) is about (3.71+/-0.19+/-0.06)x 10^{-4}, and determine the weak decay constant f_D=(203.2+/-5.3+/-1.8)MeV. these are the most precise results. Based on the psi(3770) -> DDbar data accumulated at the BESIII experiment, we present studies of D0 -> K- e+ nu and D0 -> pi0 e+ nu decays which in ... More
Presented by Dr. Yangheng ZHENG on 4 Jul 2014 at 16:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The DEAP-3600 experiment is located 2 km underground at SNOLAB, in Sudbury, Ontario. It is a single-phase detector, which searches for dark matter particle interactions with 1 tonne fiducial mass of liquid argon target. A first generation prototype detector (DEAP-1) with a 7-kg liquid argon target mass demonstrated a high level of pulse-shape discrimination (PSD) for reducing beta/gamma backgro ... More
Presented by Dr. Marcin KUZNIAK on 4 Jul 2014 at 12:42
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The DEPFET Collaboration develops highly granular, ultra-thin pixel detectors for outstanding vertex reconstruction at future collider experiments. A DEPFET sensor, by the integration of a field effect transistor on a fully depleted silicon bulk, provides simultaneously position sensitive detector capabilities and in-pixel amplification. The characterization of the latest DEPFET prototypes has pro ... More
Presented by Mr. Marçà BORONAT AREVALO on 5 Jul 2014 at 15:55
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Decays of b-hadrons to states including open charm provide a rich laboratory to constrain the unitarity matrix and search for new physics. We present recent measurements in this sector, including observations of new decay modes, CP violation and effective lifetime measurements.
Presented by Dr. WENBIN QIAN on 4 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We study the processes gamma gamma -> K+ K- eta and gamma gamma -> K+ K- pi0 using a data sample of 519 fb^-1 recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e- collider at center-of-mass energies at and near the Upsilon(nS) (n = 2,3,4) resonances. We observe eta_c -> K+ K- eta and eta_c -> K+ K- pi0 decays, measure their relative branching fraction, and ... More
Presented by Mrs. Elisa FIORAVANTI
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Charmless b-hadron decays are suppressed in the Standard Model by tiny CKM matrix elements which brings the tree amplitudes to levels comparable with loop amplitudes, and potentially New Physics amplitudes. CP violation measurements using Dalitz plot analyses in multi-body decays allow to disentangle these various contributions. We report about the most recent measurements from LHCb, including obs ... More
Presented by Mr. Stefano PERAZZINI on 4 Jul 2014 at 12:15
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
I present a phenomenological, data-centered and data-driven assessment of the status of indirect searches for particle Dark Matter, and of the main implications for DM model building. Tantalizing hints and stringent constraints seem to continuosly chase each other, as a number of well performing experiments keep delivering their data. This year may be the one in which we finally see the resolution ... More
Presented by Mr. Marco CIRELLI on 4 Jul 2014 at 15:20
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The ANTARES Collaboration is operating the largest water Cherenkov neutrino telescope in the Northern hemisphere, installed in the Mediterranean Sea. One of the objectives of ANTARES is the search for neutrinos produced in self-annihilation of Dark Matter particles. The results on the search for Dark Matter annihilations in the Sun with the data recorded between 2007 and 2012 are presented. The ob ... More
Presented by Miguel ARDID on 5 Jul 2014 at 09:35
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Multi-scalar extensions of the Standard Model can accommodate a viable Dark Matter candidate and modifications of the Higgs decay rates, particularly into two photons. One of the simplest choices for the extended scalar sector is the Inert Doublet Model, i.e. the Standard Model with an additional inert scalar doublet. LHC measurements of the decay of the SM-like Higgs boson into two photons and PL ... More
Presented by Dr. Dorota SOKOLOWSKA on 3 Jul 2014 at 17:12
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
To interpret DE as the potential energy of the approximate U(1) dark energy global symmetry, one must find color-anomaly free U(1). This necessarily invites to consider U(1)de symmetry together with U(1)PQ symmetry such that one gluon-anomaly free combination is constructed. This gives a hilltop potential of height GUT scale energy density. Since the recent BICEP2 result forbid the hilltop in ... More
Presented by Prof. Jihn E. KIM on 3 Jul 2014 at 11:24
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
We discuss Data Portfolio (DP), a new suite of activities that provide experimental particle physics data to high school students and a professional development program for their teachers. DP is a website resource with a broad range of instructional materials that allows teachers to select activities of the correct level and scope for their students. Activities range from introductory to survey, i ... More
Presented by Ms. Marge BARDEEN on 4 Jul 2014 at 10:00
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
The Daya Bay Reactor Antineutrino Experiment reported the first observation of the non-zero neutrino mixing angle θ13 using the first 55 days of data. It has also provided the most precise measurement of θ13 with the extended data to 217 days. Daya Bay will keep running for another 3 years or so. There is about 100TB raw data produced per year, as well as several copies of reconstruction data wi ... More
Presented by Dr. Miao HE on 3 Jul 2014 at 17:00
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
Recorded data at the CMS experiment are funnelled into streams, integrated in the HLT menu, and further organised in a hierarchical structure of primary datasets, secondary datasets, and dedicated skims. Datasets are defined according to the final-state particles reconstructed by the high level trigger, the data format and the use case (physics analysis, alignment and calibration, performance stud ... More
Presented by Dr. Giovanni FRANZONI on 4 Jul 2014 at 16:30
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The ATLAS detector at the LHC is collecting - among others - a large statistics of Bs and Lambda_b decays, allowing to study their production and decay properties. ATLAS has studied the different amplitudes contributing to the decay Bs -> J/psi phi (mu+mu-K+K-) with a combined analysis of decay time and angular correlations and using initial flavour tagging. The CP-violating phase phi_s is measure ... More
Presented by Dr. Leonid GLADILIN on 4 Jul 2014 at 10:25
Type: Poster Session: Poster Session
Track: Detector RD and Performance
To maximize the physics reach for the high energy and high luminosity LHC, the ATLAS collaboration plans to build and install a new small wheel (nSW) detector with eight layers of MicroMegas (MM) detector and eight layers of small-strip Thin Gap Chambers (sTGC) to improve the Level-1 muon triggering as well as the offline muon precision tracking. For the sTGC trigger path, both pad and strip detec ... More
Presented by Dr. Yusheng WU
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
We present a design of polarized electron - proton/He3+ and ion collider eRHIC in the present tunnel of the existing Relativistic Heavy Ion Collider (RHIC). Polarized electrons are accelerated up to the maximum energy of 21 GeV with a 1.334 GeV Energy Recovery Linac - ERL using two Non-Scaling Fixed Field Alternating Gradient (NS-FFAG) arcs. 70% polarized protons have an energy range 25-250 GeV, w ... More
Presented by Dr. DEJAN TRBOJEVIC on 3 Jul 2014 at 12:15
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The CMS scintillating lead-tungstate calorimeter was designed to operate for at least ten years at the LHC, assuming an instantaneous luminosity of 2x10^34 cm^2/s. According to our measurements, the detector has performed according to design specifications and will survive with excellent performance through the lifetime of the LHC. However, plans for an upgrade of the LHC (the High Luminosity LHC, ... More
Presented by Dr. Riccardo PARAMATTI on 3 Jul 2014 at 16:15
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
The International Linear Collider (ILC) has been proposed for a next generation, energy frontier, e+e- colliding accelerator. The Technical Design Report (TDR) was published in 2013, and the project is getting into the transition of the "Design to Realization" stage. The report will describe the ILC accelerator design and technology as well as future prospect of the project anticipated to be hoste ... More
Presented by Prof. Akira YAMAMOTO on 5 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The NA48/2 Collaboration at CERN has accumulated unprecedented statistics of rare kaon decays in the Ke4 modes Ke4(+-) to pi+ pi- e nu and Ke4(00) to pi0 pi0 e nu with ~one percent background contamination. The detailed study of form factors is sensitive to small isospin symmetry breaking effects. This brings new inputs to low energy QCD description and crucial tests of predictions from Chiral P ... More
Presented by Dr. Michal ZAMKOVSKY
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We study the X(3872) to D bar{D} pi^0 decay within a molecular D bar{D}^* picture for the X(3872) state. This mode is more sensitive to the long-distance structure of the X(3872) resonance than its J/\psi\pi\pi and J/\psi 3pi$ decays, which are mainly controlled by the details of the X(3872) wave function at short distances. We show that the D bar{D} final state interaction can be important, an ... More
Presented by Mr. Carlos HIDALGO
Session: Plenary Session
Presented by Prof. P. P. ALLPORT on 9 Jul 2014 at 12:00
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We investigate the measurement of the CP mixing angle of the 126 GeV neutral spin-0 Higgs boson in its tau decay channels. The tau decay channel of the Higgs boson has the particular advantage that possible CP-violating contributions alter the Higgs-tau-tau coupling already at the leading order. Within our proposed method the di-lepton, lepton-hadron as well as the hadron-hadron channe ... More
Presented by Dr. Stefan BERGE on 5 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Detector RD and Performance
Precision measurements of jets produced in pp collisions at the LHC are of key importance to analyses measuring Standard Model processes or searching for new physics. To account for signal losses in the detector, the energy of calorimeter jets needs to be calibrated. In ATLAS, jets are calibrated in multiple steps using techniques driven by both Monte Carlo simulations and data. The jet energy sca ... More
Presented by Ms. aparajita DATTAGUPTA
Type: Poster Session: Poster Session
Track: Neutrino Physics
This study is being performed in collaboration with E. Lisi (INFN, Bari, Italy) and F. Capozzi (U. of Bari, Italy). The low-energy IceCube extension experiment, PINGU, will allow to probe the neutrino mass hierarchy and the \theta_23 octant. We perform a prospective analysis of PINGU data in a three neutrino oscillation framework, by varying all relevant neutrino oscillation parameters and taking ... More
Presented by Dr. Antonio MARRONE
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
In this work the results of data analysis of the deuterons and protons albedo radiation obtained in the PAMELA experiment are presented. PAMELA is an international cosmophysical experiment carried out on board of the satellite Resurs DK-1. The high precision detectors allows to registrate and identify cosmic ray particles in a wide energy range. The deuteron-proton ratio in the energy range 90 - 3 ... More
Presented by Mr. Sergey KOLDOBSKIY
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The LBNE experiment will employ liquid argon TPCs for the far detector, representing a major scale-up from the ICARUS and MicroBooNE designs. This talk will describe the progress and plans for the development of the TPC itself, the photon detection system, electronics and the cryogenic systems. Staging plans and strategies for scaling up the design towards the planned 34 kt fiducial mass (50 ... More
Presented by Prof. Jarek NOWAK on 5 Jul 2014 at 10:20
Type: Poster Session: Poster Session
Track: Neutrino Physics
The NEXT ββ0ν experiment will use a high-pressure gas electroluminescent TPC to search for the decay of 136Xe. The development, construction and installation of NEXT-WHITE (NEW), the first radio-pure version of NEXT, will take place this year at Laboratorio Subterr ́aneo de Canfranc. NEW will run initially using 10 kg of natural xenon during which time NEXT technology will be validated and the ... More
Presented by Mr. Francesc MONRABAL CAPILLA
Type: Poster Session: Poster Session
Track: Neutrino Physics
An organic liquid scintillator containing zirconium complex was studied for neutrinosless double beta decay (ZICOS) experiment. A $^{96}$Zr nuclei has a large Q-value (3.35MeV), and no experiment is planned to use as a target. In order to realize ton scale target isotope with good energy resolution (4\%@2.5MeV), we have used zirconium beta-diketon complex which has huge solubility (over 10w.t.\%) ... More
Presented by Prof. Yoshiyuki FUKUDA
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
This paper presents development and recent status of the new data acquisiton system of the COMPASS experiment at CERN with up to 50 kHz trigger rate and 36 kB average event size during 10 second period with beam followed by approximately 40 second period without beam. In the original DAQ, the event building is performed by software deployed on switched computer network, moreover the data readout i ... More
Presented by Mr. Josef NOVY on 4 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The best jet energy resolution required for precise physics measurements at ILC is achievable using a Particle Flow Algorithm (PFA) and highly granular calorimeters. As it was shown by CALICE international R&D collaboration, the silicon-tungsten imaging electromagnetic calorimeter provides the best granularity, stability and jet resolution. After proving the PFA concept with physical prototypes in ... More
Presented by Yuji SUDO
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
We are developing the fast muon kicker for the muon g-2 experiment at Fermilab. The kicker is a pulsed magnet that provides the transverse kick to the muon particles required to direct them onto the stable (magic radius) orbit of the storage ring. To provide the right kick and maximize the storage efficiency of muons, the magnetic pulse generated from the kicker should have ,approximately, 250 Gau ... More
Presented by Dr. SeungCheon KIM on 3 Jul 2014 at 16:20
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
With the first three years of the LHC running complete, ATLAS and CMS are planning to upgrade their innermost tracking layers with more radiation hard technologies. Chemical Vapor Deposition (CVD) diamond is one such technology. CVD diamond has been used extensively in beam condition monitors as the innermost detectors in the highest radiation areas of BaBar, Belle, CDF and all LHC experiments. Th ... More
Presented by William TRISCHUK on 5 Jul 2014 at 15:40
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
In this poster, differential Z + jet cross section measurements with respect to the number of jets and various jet kinematic variables are presented where the Z bosons are reconstructed from opposite sign electron and muon pairs. The analysis is based on data of proton proton collisions with the centre of mass energy of 8 TeV collected in 2012 by the CMS experiment at LHC corresponding to 19.8 fb^ ... More
Presented by Dr. Bugra BILIN
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
We present a measurement of the differential vector boson transverse momentum cross-section of Z plus jets in proton-proton collisions. The data are collected with the CMS detector at $\sqrt{s}=8\,\mathrm{TeV}$, corresponding to an integrated luminosity of $19\,\mathrm{fb}^{-1}$. It is shown that the precise measurement allows for stringent test of (high multiplicity) NLO perturbative QCD calculat ... More
Presented by Mr. Eric TAKASUGI
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
This poster presents differential cross section measurements of the Higgs boson, performed in the diphoton decay channel. The dataset corresponds to 19.7 fb$^{-1}$ data of pp collisions at $\sqrt{s}$ = 8 TeV, produced by the LHC and collected by the CMS detector in the year 2012. With its high signal selection efficiency, the diphoton decay channel is very well suited to probe the underlying kine ... More
Presented by Swagata MUKHERJEE
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We consider the model containing a dilaton vs Higgs boson in the nearly conformal sector (NCS). The potential of a dilaton in NCS is linearly rising with distances. The light scalar dilaton would be one of the best candidates to explain the LHC data in recent discovery of a Higgs-like resonance around 125 GeV.
Presented by Dr. Gennady KOZLOV on 5 Jul 2014 at 10:30
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We present a precise calculation of the dilepton invariant-mass spectrum and the decay rate for B±→π±ℓ+ℓ− (ℓ±=e±,μ±) in the Standard Model (SM) based on the effective Hamiltonian approach for the b→dℓ+ℓ− transitions. With the Wilson coefficients already known in the next-to-next-to-leading logarithmic (NNLL) accuracy, the remaining theoretical uncertainty in the short-dist ... More
Presented by Prof. Ahmed ALI on 5 Jul 2014 at 15:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Diphoton production is the main background in searches and studies (performed at the LHC) for a low mass Higgs boson, decaying in a pair of photons. And for this reason, it is desirable to count with the best theoretical tool to describe this background. In this talk we will present a detailed study on the photon isolation prescriptions, together with a "tight isolation accord" in order to compare ... More
Presented by Dr. Leandro CIERI on 3 Jul 2014 at 13:05
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
XMASS program is a multi-purpose low-background experiment with large volume of liquid Xe scintillator at Kamioka in Japan. In the current stage, we focus on the the direct detection of dark matter in the form of WIMPs (Weakly Interacting Massive Particles) with 835 kg liquid Xe. Though we started commissining on 2010, we found unexpected background on PMT sealing material. To overcome the ... More
Presented by Dr. Kazuyoshi KOBAYASHI on 4 Jul 2014 at 12:24
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Direct dark matter searches look for the scattering of dark matter particles from the galactic halo off nuclei in laboratory detectors. A host of apparently contradictory experimental results have been accumulated over the past few years: unexplained events in excess of the expected background, annual modulations with the predicted characteristics of a dark matter signal, upper limits stronger th ... More
Presented by Prof. Paolo GONDOLO on 4 Jul 2014 at 13:00
Session: Plenary Session
Presented by Dr. Henrique ARAUJO on 8 Jul 2014 at 16:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We prove that the present experimental constraints are already enough to rule out the possibility of the  125 GeV Higgs found at LHC being the second lightest Higgs in a general MSSM context, even with explicit CP violation in the Higgs potential. Contrary to previous studies, we are able to eliminate this possibility analytically with a relatively small number of observables. We show that the pr ... More
Presented by Mr. Cristian BOSCH SERRANO on 4 Jul 2014 at 09:15
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Although the LHC experiments have put strong limits on coloured supersymmetric states, it is still possible that electroweakly interacting supersymmetric particles have masses in the range 100-200 GeV. Even outside of supersymmetry, candidates for the particle of dark matter may have masses in this range unconstrained by LHC data. In e+e- annihilation, the low backgrounds, precise knowledge of the ... More
Presented by Dr. Mikael BERGGREN on 5 Jul 2014 at 12:45
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
Within an effective field theory framework, I will discuss the possibility to discriminate between different operators that contribute to lepton flavour violating tau decays. Correlations among decay rates in different channels as well as differential distributions in many-body decays are considered. Recent developments in the determination of the hadronic form factors for tau -> mu pi pi de ... More
Presented by Alejandro CELIS on 4 Jul 2014 at 12:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present measurements of the production cross section of prompt J/psi mesons, as well as the cross section of simultaneous production of two prompt J/\psi mesons, in proton-antiproton collisions at sqrt(s)=1.96 TeV using 8.1 fb-1 of Tevatron data collected by the D0 experiment. The latter cross section is separated into contributions due to single parton and double parton (DP) scatterings. Using ... More
Presented by Dr. Don LINCOLN on 3 Jul 2014 at 17:15
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: We present studies of WW, WZ and ZZ diboson production in pp collisions based on data recorded by the CMS detector at the LHC. These include precise measurements the production cross section of these processes at center-of-mass energies of 7 and 8TeV . The leptonic decay modes of the W and Z bosons are used. The results are interpreted in terms of constraints on anomal ... More
Presented by Mr. Phillip R. DUDERO on 5 Jul 2014 at 10:05
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present cross-section measurement of double-J/psi production at ATLAS. The analysis separates the prompt-prompt, prompt-non-prompt and non-prompt di-J/psi production. A contribution from double parton scattering is estimated. The results are compared with the latest theoretical calculations in the colour singlet and colour octet formalisms.
Presented by Dr. Paolo IENGO
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
In this work we study the $\gamma\gamma\to W^+_L W^-_L$ and $\gamma\gamma\to Z_L Z_L$ scattering processes within the effective chiral Lagrangian approach, including a light Higgs-like scalar as a dynamical field together with the would-be-Goldstone bosons $w^\pm$ and $z$ associated to the electroweak symmetry breaking. This approach is inspired by the possibility that the Higgs-like boson be a c ... More
Presented by Dr. Juan Jose SANZ-CILLERO on 5 Jul 2014 at 10:00
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We present a scale invariant extension of the standard model with new QCD-like strong interaction in the hidden sector. A scale ΛH is dynamically generated in the hidden sector by dimensional transmutation, and chiral symmetry breaking occurs in the hidden sector. This scale is transmitted to the SM sector by a real singlet scalar messenger S, and can trigger electroweak symmetry breaking (EWSB). ... More
Presented by Pyungwon KO on 4 Jul 2014 at 09:30
Session: Plenary Session
Presented by Dr. Hans Peter BECK on 9 Jul 2014 at 13:00
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The datasets that the LHCb and Belle II experiments are expected to collect in the coming years will allow a sub-degree precision measurement of the angle gamma of the CKM unitarity triangle using Bch->D(*)0K(*) decays. To reach this goal a number of effects that have been neglected so far will require careful evaluation. We discuss these corrections with particular emphasis on the impact of D-Dba ... More
Presented by Matteo RAMA on 4 Jul 2014 at 16:30
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
We study the Effective Field Theory of three QCD-like theories: which can be classified by having quarks in a complex, real or pseudo-real representation of gauge group. We wrote their effective field theories in a very similar way so that the calculations can be done using techniques from chiral perturbation theory. We calculated the vacuum-expectation-value, the mass and the decay constant of ... More
Presented by Dr. Jie LU on 4 Jul 2014 at 16:50
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Kinematic distributions in Higgs decays to four charged leptons, the so called "golden channel", are a powerful probe of the tensor structure of its couplings to neutral electroweak gauge bosons. We discuss a comprehensive analysis framework designed to perform direct extraction of the all possible Higgs couplings. In this framework we study the sensitivity of the four lepton final state, to high ... More
Presented by Mr. Yi CHEN on 4 Jul 2014 at 16:55
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
In a model independent framework, the effects of new physics can be parametrized in terms of an effective Lagrangian at the electroweak scale. If the SU(2)L x U(1)Y gauge symmetry is linearly realized, these effects appear at lowest order as dimension--six operators, containing all the SM fields an the light scalar doublet. With a proper choice of the operator basis we perform a global fit to ... More
Presented by Mr. Juan GONZALEZ-FRAILE on 5 Jul 2014 at 09:00
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Spectral functions that are used in modeling of quasi elastic scattering in neutrino event generators such as GENIE, NEUT, NUANCE and NUWRO, and GiBUU include Fermi gas, local Fermi gas, Bodek-Ritche Fermi gas with high momentum tail, and the Benhar Fantoni two dimensional spectral function. We find that the $\frac{d\sigma}{d\nu}$ predictions for these models are in disagreement with the p ... More
Presented by Prof. Arie BODEK on 5 Jul 2014 at 09:45
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
A search for events ep-> ep Z0 has been performed in ep collisions at HERA using the ZEUS detector. The search is based on the entire HERA-I and HERA-II data set, amounting to 0.49 fb-1 of integrated luminosity. The Z0 was searched in the di-jet decay mode with elastic condition defined by etamax < 3, where etamax is defined as the pseudorapidity of the energy deposit in the calorimeter closest to ... More
Presented by Dr. Luca STANCO on 4 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The Chiral Perturbation Theory (ChPT) has been tremendously successful in describing low-energy hadronic properties in the non-perturbative regime of Quantum Chromodynamics. The results of ChPT, many of which are currently under active experimental investigation, provide stringent predictions of many fundamental properties of hadrons, including quantities such as electromagnetic polarizabilities. ... More
Presented by Dr. Aleksandrs ALEKSEJEVS
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
A wide review on neutrino electromagnetic properties and interactions is presented, both theoretical and experimental aspects of the problem are discussed. It is shown that these studies open a window to new physics. The talk is based on the recent wide review on the subject available on web since March 25, 2014: C.Giunti, A.Studenikin, “Electromagnetic interactions of neutrinos: a window t ... More
Presented by Prof. Alexander STUDENIKIN on 5 Jul 2014 at 10:30
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The performance of the electron and photon reconstruction and selection with the CMS detector at sqrt(s) = 8 TeV will be presented. After a short description of the reconstruction algorithms, the selection criteria will be presented and their performance assessed using decays of the Z, J/Psi and Y particles. The data to Monte Carlo simulation scale factors are found close to unity for a large rang ... More
Presented by Mr. Marco PERUZZI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
An excellent performance of the reconstruction, calibration and identification of electrons and photons with the ATLAS detector at the LHC is a key component to realize the ATLAS full physics potential, both in searches for new physics and in precision measurements. For instance, all these played a critical role in the discovery of a Higgs boson, announced by the ATLAS Collaboration in 2 ... More
Presented by Jovan MITREVSKI
Type: Poster Session: Poster Session
Track: Neutrino Physics
Xenon-trimethylamine (TMA) mixtures are particularly interesting in the framework of rare event searches with gaseous Time Projection Chambers (TPC): first because gain measurements indicate that they form a Penning mixture, anticipating a 'supra-intrinsic' energy resolution stemming from the initial ionization and, second, because TMA is known to strongly fluoresce around 300nm, a convenient wave ... More
Presented by Dr. Theopisti DAFNI
Session: Plenary Session
Presented by Dr. Roger CARLINI on 7 Jul 2014 at 13:15
Session: Plenary Session
Presented by Dr. Jeffrey BERRYHILL on 7 Jul 2014 at 15:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present results for the electroweak corrections to the hadronic production of a charged lepton pair in association with two jets and give detailed predictions for the LHC operating at 13 TeV. While corrections to the total cross section are small, we find significant non-uniform distortions in high-energy tails due to electroweak Sudakov logarithms.
Presented by Dr. Lars HOFER on 4 Jul 2014 at 16:05
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Electroweak penguin b-hadron and c-hadron decays are very sensitive to physics beyond the Standard Model. Recent LHCb measurements have shown indications of large unexpected asymmetries in B→K*μμ and the first observation of the photon polarisation in b→sγ decays. We report the most recent LHCb results in this sector.
Presented by Dr. Jibo HE on 5 Jul 2014 at 17:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The LHCb forward acceptance covers a range of rapidities not accessible by the other LHC experiments, allowing for complementary measurements. We report recent measurements of electroweak boson production, either inclusive, or in association with a jet or a D meson.
Presented by Dr. Stephen FARRY on 4 Jul 2014 at 16:50
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The electroweak bosons are insensitive to final state effects in heavy-ion collisions and thus make excellent probes of the initial state parton distributions in nuclei. This talk presents measurements of photons and weak bosons, via their leptonic decay channels, in pp and PbPb collisions at 2.76 TeV and in pPb collisions at 5.02 TeV.
Presented by Dr. Chia-Ming KUO on 5 Jul 2014 at 15:20
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Measurements of vector boson production in Pb+Pb collisions provide essential control data for studies of jets and jet quenching in the quark gluon plasma. Because the electroweak bosons do not interact strongly in the plasma measurements their production rates can be predicted using standard high-energy event generators. In addition, the vector boson spectra are potentially sensitive to nu ... More
Presented by Dr. Marisilvia DONADELLI on 5 Jul 2014 at 15:40
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The measurement of the electroweak production cross section of a Z-boson with two jets in proton-proton collisions by the CMS experiment is presented. The cross section is measured in dielectron and dimuon final states and the measurement, combining different methods and channels is in agreement with the theory prediction.The hadronic activity in events with Z-boson production in association with ... More
Presented by Dr. Paolo AZZURRI on 4 Jul 2014 at 16:35
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We study strongly coupled models of electroweak symmetry breaking with a light Higgs boson. We use a resonance effective Lagrangian with bosonic massive resonances together with the Standard Model degrees of freedom, including a light Higgs. We consider constraints from the phenomenology and from the assumed high-energy behavior of the underlying theory. This resonance effective theory can be used ... More
Presented by Dr. Ignasi ROSELL on 4 Jul 2014 at 09:45
Session: Plenary Session
Presented by Dr. N. J. WALKER on 9 Jul 2014 at 12:30
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
Over the last years two proposals for experiments at the ILC have been developed. Extensive R&D has been carried out around the world to develop the needed technologies. Furthermore a first round of engineering studies was made as part of the ILC TDR to understand the integration of these different sub-systems into coherent and integrated detector concepts. Among the key challenges for the subdete ... More
Presented by Marco ORIUNNO on 5 Jul 2014 at 09:20
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We compare the impact of top-quark spin polarization effects in Higgs (H) boson production in association with top-quark pairs and in corresponding backgrounds at the LHC. Because of the spin-zero nature of the Higgs boson, one expects, in the chiral limit for the top quarks, a substantial complementarity in tt(bar) spin correlations for a Higgs decaying into fermions/gauge-bosons and tt(bar) spin ... More
Presented by Prof. Emidio GABRIELLI on 4 Jul 2014 at 10:35
Type: Poster Session: Poster Session
Track: Neutrino Physics
The NEXT collaboration aims to find the neutrinoless double beta decay in Xe136. The rareness of this decay demands an exceptional background rejection. This can be obtained with an excellent energy resolution, which has been already demonstrated in the NEXT prototypes. In addition to this, the 2ß0ν decay in gas produces a characteristic topological signal which could be an extremely useful extr ... More
Presented by Mr. Ander SIMóN ESTéVEZ
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The exclusive reaction gamma p -> psi(2S) p has been studied in both deep inelastic electroproduction and in photoproduction with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 350 pb-1. The psi(2S) mesons were identified via their decay chain: psi(2S) -> J/psi pi+ pi- with J/psi -> mu+ mu-. The ratio of the production cross sections R = sigma(psi(2S)) / ... More
Presented by Dr. Ewald PAUL on 4 Jul 2014 at 16:30
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The experimental knowledge of semileptonic B decays to a D or D* meson with one or more pions is limited. These limitations are relevant to two experimental puzzles: the tension between the values of Vcb determined from inclusive and exclusive semileptonic decays, and the gap between the sum of the exclusive semileptonic B decays to charm and the inclusive b -> c l nu rate.  The full BABAR data s ... More
Presented by Dr. Thomas LüCK on 5 Jul 2014 at 12:30
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The strong electromagnetic fields surrounding the protons and heavy nuclei accelerated at the CERN Large Hadron Collider may be used to study two-photon and photon-proton/nucleus interactions at unprecedented energies. A process of particular interest is two-photon production of pairs of W bosons. This process is sensitive to the coupling between photons and W bosons, and may therefore be us ... More
Presented by Prof. Joakim NYSTRAND on 5 Jul 2014 at 16:00
Session: Closing
Presented by Prof. Young-Kee KIM on 9 Jul 2014 at 15:00
Presented by Yasuhiro OKADA on 6 Jul 2014 at 16:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
The Future Circular Collider (FCC) is a proposed facility at CERN to provide 50 TeV protons and 19.7 TeV/nucleon Pb nuclei, and up to 175 GeV electrons and positrons, in a new 80-100 km tunnel. Recently CERN has launched a study which includes the three principal modes of operation: hadron-hadron, electron-electron and hadron-electron (he) collisions. For the 'he' mode, two options exist for combi ... More
Presented by Max KLEIN on 4 Jul 2014 at 10:15
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
A new international study has just been launched to design a hadron collider with a centre-of-mass energy of the order of 100 TeV in a new 80-100 km tunnel as a long-term goal. The design study includes a 90-350 GeV lepton collider, seen as a potential intermediate step, and an ep option. This paper reports on the overall parameters and preliminary optics designs with special emphasis on the Inter ... More
Presented by Dr. Rogelio TOMAS GARCIA on 4 Jul 2014 at 09:50
Type: Poster Session: Poster Session
Track: Accelerator Physics and Future Colliders
Now that the masses of the Higgs and Top quark are known, circular electron-positron colliders, able to measure the properties of these particles with high accuracy, are receiving considerable attention. As part of the Future Circular Collider study at CERN, the Future e+e- Circular Collider, FCC-ee (formerly called TLEP) is a new generation collider, fitting in a 80 to 100km tunnel, and able to d ... More
Presented by Dr. Frank ZIMMERMANN
Session: Closing
Presented by Prof. Juan Antonio FUSTER VERDU on 9 Jul 2014 at 17:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Future lepton colliders such as the International Linear Collider (ILC), and the Compact Linear Collider (CLIC) require nanometer-sized beams at the interaction point (IP). We report on the design, protoyping and testing of beam-based feedback systems for steering the beams into collision at the IP so as to maximise the luminosity performance of the colliders. Both all-analogue and digital feedbac ... More
Presented by Prof. Philip BURROWS on 5 Jul 2014 at 16:15
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Fermilab has proposed a plan for upgrading the Fermilab proton accelerator complex using Superconducting Radio Frequency Linac that would deliver in excess of 1 MW proton beam to the neutrino production target at the initiation of the Long Baseline Neutrino Experiment. The plan is structured to deliver, in a cost effective manner, more than 1 MW of beam power to LBNE while creating a flexible plat ... More
Presented by Steve BRICE on 3 Jul 2014 at 13:25
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
A large number of Cosmic Microwave Background (CMB) polarization experiments have been searching for the CMB B-mode polarization signatures, which were produced either in degree scales by primordial gravitational waves from the epoch of cosmic inflation or in sub-degree scales by gravitational lensing by cosmological large-scale structure. POLARBEAR is a ground-based experiment designed to measur ... More
Presented by Haruki NISHINO on 3 Jul 2014 at 11:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The High Altitude Water Cherenkov (HAWC) Observatory is a TeV gamma-ray detector located at an altitude of 4100 meters on the northern slope of the Sierra Negra volcano in the state of Puebla, Mexico. The detector will consist of 300 water Cherenkov detectors spread on a 22000 square meter area, and is expected to be fully operational by fall this year. Thanks to its large field-of-view, good angu ... More
Presented by Dr. Francisco SALESA GREUS on 4 Jul 2014 at 16:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present evidence of associated vector boson+prompt J/psi production and measure its production rate. This is a key observable to further the understanding of quarkonium production mechanisms. We estimate the relative contributions to the signal from single and double parton scattering and discuss possible implications of this novel final state for study of multiple parton interact ions. Single ... More
Presented by Stefanos LEONTSINIS
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
(See Attached file.) In order to test the systematic error coming from the extrapolation at low $Q^2$ carried out in present lattice determinations of the hadronic vacuum polarization contribution to the muon anomalous magnetic moment, we employ a physically motivated model for the isospin-one non-strange vacuum polarization function $\Pi(Q^2)$ [1]. The model is based on the OPAL experimental v ... More
Presented by Santiago PERIS on 5 Jul 2014 at 13:10
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We adopt a general two Higgs doublet model to study flavor changing neutral Higgs interactions at the LHC. We focus on the production of a heavy Higgs boson (H) decaying into a top quark and a charm quark with the final state of b c\ell\nu. In the decoupling limit with a SM-like Higgs scalar (h), the production (gg \to H) and decay (H \to tc) of H can be sustained by sin(\beta-\alpha) that is ... More
Presented by Prof. Chung KAO on 5 Jul 2014 at 10:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We present a new kit for the study of flavor observables beyond the standard model. In contrast to previous flavor codes, FlavorKit is not restricted to a single model, but can be used to obtain predictions for flavor observables in a wide range of models (SUSY and non-SUSY). FlavorKit can be used in two different ways. The basic usage of FlavorKit allows for the computation of a large number of ... More
Presented by Dr. Avelino VICENTE on 4 Jul 2014 at 09:40
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Flavour effects play an important role in the statistical evolution of particle number densities. We present a fully flavour-covariant formulation of transport phenomena. As an application, we consider the heavy-neutrino and lepton flavour effects in Resonant Leptogenesis scenario, for which our formalism provides a complete and unified description.
Presented by Dr. P. S. Bhupal DEV on 3 Jul 2014 at 13:12
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
It is known that superpotential couplings between messenger sector and MSSM matter fields can significantly change phenomenology of the standard GMSB models. Those interactions not only give rise to A-terms and soft masses but also can lead to large FCNC effects. In this talk, we shall discuss examples of SO(10) unification models in which messengers couple to all generations of MSSM matter and co ... More
Presented by Dr. Tomasz JELINSKI
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
In previous works (JHEP03(2012)100, JHEP09(2012)015), we have highlighted that the Higgs and Z-mediated penguin diagrams contributing to lepton flavour violating (LFV) observables like tau->3mu are strongly enhanced in the supersymmetric inverse seesaw model. It has recently been pointed out that an error in the literature for the Z-penguins form factors would lead to a non-physical non-decoupling ... More
Presented by Dr. Cedric WEILAND on 4 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
FlexibleSUSY is a software package that takes as input a description of supersymmetric models, the MSSM and beyond, and generates a set of spectrum generator library and executables, with the aid of SARAH. The design goals are modularity, speed, and readability of the code. The high/low-scale boundary conditions are independent C++ objects that are plugged into the RGE solver together with the m ... More
Presented by Jae-hyeon PARK
Session: Plenary Session
Presented by Dr. Jose L. F. BARBóN on 9 Jul 2014 at 10:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
A general overview of concepts, designs, technologies and future possibilities will be presented for energy and intensity frontier accelerators and colliders for particle physics in the next 50 to 100 years, offering a scientific, technical and fiscal risk-benefit analysis and strategies to move forward. The talk will discuss the near-, mid-, and long-term future options including various line ... More
Presented by Prof. Swapan CHATTOPADHYAY on 3 Jul 2014 at 11:00
Presented by Dr. José Miguel JIMéNEZ on 5 Jul 2014 at 20:00
Session: Plenary Session
Presented by Prof. Christian STEGMANN on 8 Jul 2014 at 17:40
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Interaction point (IP) beam parameters at future linear colliders have been chosen in order to limit the impact of non-linear effects from strong electromagnetic fields at the IP. However the field strength experienced by incoming particles is still a significant percentage of the field strength that polarises the vacuum. These vacuum changes can be taken into account at Lagrangian level via the F ... More
Presented by Dr. Anthony HARTIN on 5 Jul 2014 at 16:30
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
We study the generation of strong magnetic fields in magnetars and in the early universe. For this purpose we calculate the antisymmetric contribution to the photon polarization tensor in medium consisting of electron-positron plasma and a gas of neutrinos and antineutrinos, interacting within the Standard Model. Such a contribution exactly takes into account the temperature and the chemical poten ... More
Presented by Dr. Maxim DVORNIKOV
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We perform a global Bayesian fit of the Higgs couplings to the latest experimental data, combining the LHC Higgs data with electroweak precision measurements. We consider an effective Lagrangian for a light Higgs boson, and analyze constraints on the modified Higgs couplings to the SM vector bosons and to the SM fermions. We discuss implications of the fit results for new physics models.
Presented by Mr. Diptimoy GHOSH on 5 Jul 2014 at 09:15
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
In this talk I will present the recent developments of the GoSam package, an automated tool for one-loop calculations. I will give a short introduction and explain the most recent features and developments. Furthermore, phenomenological applications and results are presented.
Presented by Nicolas GREINER on 3 Jul 2014 at 12:20
Session: Plenary Session
Presented by Prof. James M. MATTHEWS on 8 Jul 2014 at 17:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
New combined H1 and ZEUS data on neutral and charged current inclusive cross sections at HERA from all running periods 1994-2007, are used as the sole input to NLO and NNLO QCD analyses to determine new sets of parton distributions, HERAPDF2.0, with small experimental uncertainties and an estimate of model and parametrisation uncertainties. Charm and jet production data are also includ ... More
Presented by Katarzyna WICHMANN on 4 Jul 2014 at 12:35
Type: Poster Session: Poster Session
Track: Neutrino Physics
We present latest results of the measurements of hadron production with the T2K replica target in the NA61/SHINE experiment at CERN SPS. They aim to further improve the precision on the T2K neutrino flux prediction. The current method applied in the T2K experiment to reduce uncertainties on the flux predictions is based on re-weighting of hadron cross sections in the interaction vertices. As an ... More
Presented by Mr. Alexis HAESLER
Session: Plenary Session
Presented by Dr. Haiping PENG on 8 Jul 2014 at 12:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Based on the world’s largest samples of J/psi, psi(3686) decays, as well as the data taken around the peak of Y(4260) resonance collected at the BESIII detector, the progresses on the hadron spectroscopy are presented, including the PWA of J/psi radiative decays, eta and eta’ physics, and observations of charmonium-like Zc states.
Presented by Mr. Shuangshi FANG on 3 Jul 2014 at 16:30
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Event shape variables exhibit sensitivity to the structure of QCD radiation in hadron collisions. Five infrared- and collinear-safe event shape variables, each sensitive to the different features of multi-jet production, are measured using hadronic jet data collected with the CMS detector from pp collisions at $\sqrt{s}$ = 7 TeV, corresponding to a total integrated luminosity of 5 fb$^{-1}$. The m ... More
Presented by Ms. Debarati ROY
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The photoproduction of isolated photons, both inclusive and together with a jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 374 pb-1. A variety of kinematic variables that are sensitive to different aspects of the event dynamics are studied. Cross sections are given in terms of the collinearity of the photon and the jet, the fraction of the proto ... More
Presented by Dr. Peter BUSSEY on 4 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We show how to obtain rising hadronic total cross sections in QCD, in the framework of the nonperturbative approach to soft high-energy scattering based on Wilson-loop correlators. Total cross sections turn out to be of "Froissart"-type, i.e., the leading energy dependence is of the form B(log s)^2, in agreement with experiments. The observed universality of the prefactor B is obtained naturally i ... More
Presented by Dr. Matteo GIORDANO
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The identification and study of jets originated from the hadronic decays of massive particles, like vector bosons or top quark provide a direct test of QCD calculations of gluon and quark radiation and validate novel techniques of jet shapes and jet substructure for reducing the sensitivity to soft QCD and to multiple proton-proton collisions. The measurement of the cross-section of high transvers ... More
Presented by Francesco DE LORENZI on 4 Jul 2014 at 09:25
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Based on the non-relativistic QCD factorization scheme, we study the hadroproduction of the bottomonium states Υ(5S) and Υ(6S). We argue to search for them in the final states Υ(1S,2S,3S)π+π−, which are found to have anomalously large production rates at Υ(5S). The enhanced rates for the dipionic transitions in the Υ(5S)-energy region could, besides Υ(5S), be ascribed to Yb(10890), a sta ... More
Presented by Prof. Ahmed ALI on 3 Jul 2014 at 15:15
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The halo independent comparison of direct dark matter detection data eliminates the need to make any assumption on the uncertain local dark matter distribution and is complementary to the usual data comparison which required assuming a dark halo model for our galaxy. The method, initially proposed for WIMPs with spin-independent contact interactions, has been generalized to any other interaction ... More
Presented by Prof. Graciela GELMINI on 3 Jul 2014 at 16:18
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
On 4 July 2012, particle physics became a celebrity. Around 1,000,000,000 people (yes, 1 billion) saw rebroadcasts of two technical presentations announcing the discovery of a new boson. The occasion was a joint seminar of the CMS and ATLAS collaborations, and the target audience were particle physicists. Yet the world ate it up like a sporting event. Roughly two days later, in a parallel sessi ... More
Presented by Mr. Achintya RAO on 4 Jul 2014 at 10:45
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
In ultrarelativistic heavy ion collisions, a phase transition occurs from hadronic matter into a state of deconfined quarks and gluons. Properties of this new state of matter, dubbed as the strongly interacting Quark-Gluon Plasma (sQGP), have been a subject of extensive measurements at the Relativistic Heavy Ion Collider (RHIC) in the past decade. Due to their large masses, charm and bottom ... More
Presented by Dr. Robert VERTESI on 4 Jul 2014 at 11:50
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
We present the search of the heavy Higgs into a new chiral framework, in which there are new consistent set of chiral fermions some of them with electric exotic charges, as the quarks X and Y with electric charge 5/3 and −4/3, respectively. The heavy Higgs lies into 2HDM context and interact at tree level mainly with the exotic sector due to the $Z_{4}$ symmetry. Prospects of these Higgs search ... More
Presented by Mr. Daniel CAMARGO
Session: Plenary Session
Presented by Prof. Charles GALE on 8 Jul 2014 at 10:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Studies of heavy flavour production are very important to improve our understanding of QCD and hadron formation, given that the heavy quark masses allow the application of theoretical tools less sensitive to nonperturbative effects. This talk presents ATLAS and CMS heavy flavour results obtained in pp collisions, at 7 and 8 TeV, placing emphasis on the most recent measurements. In particular, w ... More
Presented by Dr. Hermine K WOEHRI on 3 Jul 2014 at 17:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The latest years have seen a resurrection of interest in searches for predicted and exotic states motivated by tantalising observations by Belle and CDF. Using the data collected at pp collisions at 7 and 8 TeV by the LHCb experiment. We present a study of the properties of the Z(4430)+ resonance, with a first unambiguous determination of its quantum numbers. We also report on observations of ex ... More
Presented by Tomasz SKWARNICKI on 3 Jul 2014 at 15:00
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
With the discovery of the Higgs H(126) boson at the LHC, the Standard Model of particle physics is still lacking an understanding of the generation and nature of neutrino masses. Dirac mass term? Majorana mass term? The favorite theoretical scenario is that both mass terms are present, leading to the existence of heavy partners of the light neutrinos, presumably more massive and nearly sterile. Fo ... More
Presented by Alain BLONDEL on 4 Jul 2014 at 13:00
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present the calculation of the finite part of the heavy quark impact factor at next-to-leading logarithmic accuracy in a form suitable for phenomenological studies at the LHC within the kT-factorization scheme.
Presented by Dr. Michal DEAK
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The Large Hadron Electron Collider (LHeC) at CERN is a proposed facility for electron-nucleus scattering which will collide electrons of about 60 GeV energy beam, with the LHC heavy ion beams. The kinematic coverage extends beyond previous deep inelastic lepton-ion experiments by nearly four orders of magnitude towards lower $x_{Bj}$ and higher $Q^2$. This contribution reviews the possibilities fo ... More
Presented by Dr. Maria ZURITA on 4 Jul 2014 at 10:00
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The experimental laboratory to create and study strongly interacting matter under extreme conditions of temperature and energy density are ultra-relativistic heavy-ion collisions. A transition of hadronic matter to a Quark Gluon Plasma (QGP) phase is predicted by lattice Quantum ChromoDynamics for high enough temperatures. Heavy quarks (charm and beauty) and quarkonia are produced in the early sta ... More
Presented by Zaida CONESA DEL VALLE on 4 Jul 2014 at 12:30
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Quarkonia are especially relevant for studying the quark-gluon plasma since they are produced at early times of the collision and propagate through the medium, mapping its evolution. This talk presents measurements of quarkonia in pp and PbPb collisions at 2.76 TeV and in pPb collisions at 5.02 TeV.
Presented by Dr. Lamia BENHABIB on 4 Jul 2014 at 12:50
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
We discuss the Hessian PDF reweighting - a technique intended to estimate the effects that new measurements have on a set of PDFs. The method stems straightforwardly from considering new data in a usual χ2 fit and it naturally incorporates also non-zero values for the tolerance, Δχ2>1. In comparison to the contemporary Bayesian reweighting techniques, there is no need to generate large ensemble ... More
Presented by Dr. Maria ZURITA on 4 Jul 2014 at 13:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A review of the latest results on Higgs boson decays to photons with the ATLAS detector is presented, using approximately 25 fb-1 of pp collision data collected at 7 TeV and 8 TeV in 2011 and 2012.
Presented by Ms. Sandrine LAPLACE on 3 Jul 2014 at 11:45
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A review of the latest results on Higgs boson decays to leptons with the ATLAS detector is presented, using approximately 25 fb-1 of pp collision data collected at 7 TeV and 8 TeV in 2011 and 2012.
Presented by Elias CONIAVITIS on 4 Jul 2014 at 10:20
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The supersymmetric SU(5) grand unified theory whose gauge symmetry is broken by virtue of the Hosotani mechanism naturally realizes the huge mass splitting between the colored Higgs triplet and the electroweak Higgs doublet superfields, and predicts the existence of adjoint chiral multiplets with masses of the order of the supersymmetry breaking scale as a byproduct. The low-energy Higgs sec ... More
Presented by Mitsuru KAKIZAKI on 4 Jul 2014 at 13:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The Compact Linear Collider (CLIC) is an attractive option for a future multi-TeV linear electron-positron collider, offering the potential for a rich precision physics programme, combined with sensitivity to a wide range of new phenomena. The physics reach of CLIC has been studied in the context of three distinct centre-of-mass energy stages, 350 GeV, 1.4 TeV and 3.0 TeV. This staged scenario pro ... More
Presented by Dr. Eva SICKING on 5 Jul 2014 at 15:40
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Now that the masses of the Higgs and Top quark are known, circular electron positron colliders, able to measure the properties of these particles with high accuracy, are receiving considerable attention. As part of the Future Circular Collider study at CERN, the Future e+e- Circular Collider, FCC-ee, (formerly called TLEP) is a new generation collider, fitting in a 80 to 100km tunnel, and able to ... More
Presented by Mr. Manqi RUAN on 5 Jul 2014 at 16:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
In high energy hadronic collisions, a general CP-violating Higgs boson Φ with accompanying jets can be efficiently produced via gluon fusion, which is mediated by heavy quark loops. We study the dominant sub-channel gg→Φggg of the gluon fusion production process with triple real emission corrections at order α5s. We go beyond the heavy top limit approximation and include the full mass ... More
Presented by Dr. Francisco CAMPANARIO on 4 Jul 2014 at 17:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
\begin{abstract} The LHC phenomenology of a low-scale gauged flavor symmetry model with inverted hierarchy is studied. A new scalar (a flavon) emerges with mass in the TeV range along with a new heavy fermion associated with the standard model top quark. After verifying the constraints from electroweak precision observables, we investigate the influence of the model on Higgs boson physics notab ... More
Presented by Dr. Edmond BERGER on 5 Jul 2014 at 10:45
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Physics beyond the standard model (SM) can be parameterized with an effective Lagrangian that respects the symmetries of the standard model and contains many operators of dimension six. We consider the subset of these operators that is responsible for flavor diagonal anomalous color magnetic (CMDM) and electric (CEDM) dipole couplings between quarks and gluons. Invariance of these operators unde ... More
Presented by Prof. German VALENCIA on 5 Jul 2014 at 09:30
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
We will discuss the recent Higgs discovery results both by CMS and ATLAS at the LHC. In this context we will consider the status of supersymmetric scenarios. In minimal supersymmetric scenarios in order to have a $\sim 125$ GeV Higgs, one needs large quantum corrections from strong supersymmetric sectors and either large supersymmetric mass scale or large mass splitting between the contributing s ... More
Presented by Dr. Priyotosh BANDYOPADHYAY
Type: Poster Session: Poster Session
Track: Neutrino Physics
The SuperNEMO double beta decay project is a modular tracker-calorimeter based experiment that will reach about 1026 years for neutrinoless double beta decay half-life corresponding to 50-100meV in terms of Majorana effective neutrino mass. It will scrutinize a hundred of kilograms of 82Se double beta decay isotope. The first module is under construction and will be installed early 2015 in the LSM ... More
Presented by Dr. Christine MARQUET
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Target designs used in accelerator facilities that serve to produce useful particles for physics or materials research are being pushed to accept increasing levels of beam power to enable new regimes of study. The field of high power targets spans a range of applications, including neutron sources, neutrino factories, radioactive ion beams sources, isotope production and materials irradiation test ... More
Presented by Mr. Bernard RIEMER on 4 Jul 2014 at 10:40
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
At the VEPP-4M collider the record accuracy of 10-6 of an absolute beam energy calibration was achieved with the resonant depolarization technique in the energy range including the J/psi, psi(2S), psi(3770) resonances as well as the tau-lepton production threshold. This report discusses the equipments, methods and results.
Presented by Dr. Sergei NIKITIN on 3 Jul 2014 at 16:35
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We report on the currently highest precision calculation of the lightest Higgs boson mass, Mh, in the MSSM. We combine the Feynman-diagrammatic method (which gives the highest precision for low and medium mass SUSY mass scales) with an RGE resummation (which gives large contributions at high SUSY mass scales). The results are publicly available in the code FeynHiggs. We discuss the phenomenologica ... More
Presented by Dr. Sven HEINEMEYER on 4 Jul 2014 at 12:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The decay K+ --> pi0 e+ nu (Ke3) is studied using in-flight decays detected with the "OKA" setup, working in the RF-separated secondary K+ beam of the U-70 synchrotron. About 10M events are available for the analysis. Preliminary results for the parameters of the f+(t) form-factor are presented. For the linear fit: \lambda_{+}=(2.984 \pm 0.04) \times 10^{-2}; ... More
Presented by Prof. Vladimir OBRAZTSOV on 5 Jul 2014 at 09:15
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
We report on the development of novel discharge insensitive floating strip Micromegas (MICRO-MEsh GASeous) detectors, fit for use in high-energy muon spectrometers. The suitability of these detectors for particle tracking is shown in high-background environments and at very high particle fluxes up to 60MHz/cm^2. Measurement and simulation of the microscopic discharge behavior demonstrate the exce ... More
Presented by Mr. Jonathan BORTFELDT on 4 Jul 2014 at 16:25
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We review the status of the calculation of higher order corrections to inclusive semileptonic B decays, with emphasis on recent developments concerning the perturbative corrections to power suppressed effects and their impact on the determination of Vcb.
Presented by Andrea ALBERTI on 5 Jul 2014 at 12:15
Session: Plenary Session
Presented by Prof. Johannes P. WESSELS on 8 Jul 2014 at 10:00
Session: Plenary Session
Presented by Dr. Gregorio BERNARDI on 7 Jul 2014 at 15:30
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
A highly granular digital electromagnetic calorimeter has been built using MAPS/MIMOSA23 with 30 micron pixel size to prove the feasibility of the proposed Forward electromagnetic Calorimeter (FoCal) as a possible upgrade of the ALICE apparatus. The physics motivations of such a project are presented together with the calorimeter performance in several test beam campaigns. We show the energy reso ... More
Presented by Dr. Elena ROCCO on 5 Jul 2014 at 12:10
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Constrained SUSY models like the CMSSM might look less attractive nowadays because of fine tuning arguments. They also might look less probable in terms of Bayesian statistics. The question how well the model under study describes the data, however, is answered by frequentist p-values. Thus, for the first time, we calculate p-values for the CMSSM by performing dedicated toy experiments. We combine ... More
Presented by Mr. Björn SARRAZIN on 3 Jul 2014 at 12:20
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
In April 2013, a CERN exhibition was shown in Santander: “The largest scientific instrument ever built”. Around the exhibition, were proposed several activities done by the researchers that work on the subjects: guided tours for children, younger and adults, workshops, film projections… In this form, the exhibition was visited by more than two thousand people, a complete success keeping in m ... More
Presented by Mrs. MARÍN ANA MARÍA on 3 Jul 2014 at 12:45
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
The “ HYPATIA” (HYbrid Pupil’s Analysis Tool for Interactions in ATLAS) is a tool which has been created by the authors of this abstract and has been evolving over a number of years. Apart from the IPPOG’s International Masterclass downloadable HYPATIA version, there is an online version which now exists in the form of a webapp. All data from the ATLAS experiment at the Large Hadron Collid ... More
Presented by Prof. Kourkoumelis CHRISTINE on 4 Jul 2014 at 09:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We discuss a possible explanation of a slight excess in the WW cross section measurement performed by ATLAS and CMS. While still consistent with the Standard Model within 1-2 sigma, the excess could be also a first hint of physics beyond the Standard Model. We argue that this effect could be attributed to the production supersymmetric particles, eg. stops or charginos. The stops of mass ~200 GeV h ... More
Presented by Dr. Krzysztof ROLBIECKI on 3 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
The hydrodynamic extension of the two component model for hadroproduction using recent theoretical calculations is suggested to describe the spectra of charged particles produced in heavy-ion collisions in the full range of transverse momenta, $p_T$. Data from heavy-ion collisions measured at RHIC and LHC are analyzed using the introduced approach and are combined in terms of energy density. The B ... More
Presented by Mr. Alexander BYLINKIN
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Hyper-Kamiokande (Hyper-K), a proposed one-megaton water cherenkov detector to be built in Japan, is the logical continuation of the highly successful program of neutrino (astro)physics and proton decay using the water Cherenkov technique. Hyper-K will search for CP violation in neutrino oscillations associated with the irreducible phase delta in the lepton mixing matrix using the neutrino beam pr ... More
Presented by Mr. hirohisa TANAKA on 3 Jul 2014 at 17:00
Presented by Yifang WANG on 6 Jul 2014 at 18:10
Session: Plenary Session
Presented by Prof. Joachim MNICH on 9 Jul 2014 at 09:00
Presented by Atsuto SUZUKI on 6 Jul 2014 at 16:20
Presented by Michael HARRISON on 6 Jul 2014 at 09:30
Session: Plenary Session
Presented by Dr. Kerstin TACKMANN on 9 Jul 2014 at 09:40
Session: Plenary Session
Presented by Dr. Claude DUHR on 9 Jul 2014 at 09:20
Session: Plenary Session
Presented by Dr. Heidi SCHELLMAN on 9 Jul 2014 at 08:40
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The trigger and offline reconstruction, identification and energy calibration algorithms employed for hadronic decays of tau leptons for the data collected in 2012 with the ATLAS detector at the LHC operating at a center-of-mass energy of 8TeV are described. The performance of these algorithms is measured in most cases with Z decays to tau leptons. An uncertainty on the offline reconstructed ... More
Presented by Almut PINGEL on 3 Jul 2014 at 13:15
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The algorithm used for reconstruction and identification of hadronic tau decays by the CMS experiment at the LHC is presented. The tau reconstruction in CMS takes advantage of the particle-flow algorithm which allows to reconstruct individual hadronic decay modes. The performance of the algorithm in terms of tau ID efficiency, rate of jet -> tau, e -> tau and mu -> tau fakes and in terms of tau en ... More
Presented by Rosamaria VENDITTI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The offline identification algorithm employed for hadronic decays of tau leptons for the data collected in 2012 with the ATLAS detector at the LHC operating at a center-of-mass energy of 8 TeV is described. It consists of two Boosted Decision Trees including both tracking and calorimetric information to discriminate hadronically decaying tau leptons from hadronic jets and electrons. The performanc ... More
Presented by Dirk DUSCHINGER
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Various measurements provided by the ATLAS collaboration have significant impact on parton density functions. Inclusive production of W and Z bosons have been analysed using an NNLO QCD fit and found to constraint the strange-quark density at medium and low Bjorken-x. The inclusive jet production at different centre-of-mass energies, dijet and trijet production measured by ATLAS are used in an NL ... More
Presented by Dr. Frank ELLINGHAUS on 4 Jul 2014 at 12:05
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present the HERAFitter project which provides a framework for Quantum Chromodynamics (QCD) analyses related to the proton structure in the context of multi-processes and multi-experiments. Based on the concept of factorisable nature of the cross sections into universal parton distribution functions (PDFs) and process dependent partonic scattering cross sections, HERAFitter allows determina ... More
Presented by Prof. Mandy COOPER-SARKAR on 4 Jul 2014 at 15:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Recent data on 125 GeV Higgs-like boson at the LHC starts to constrain the electroweak symmetry breaking sector of the SM and its various extensions. If one imposes the local gauge symmetry of the Standard Model (SM) (SU(3)c×SU(2)L×U(1)Y) to the SM and any possible new physics scenarios, the SM Higgs properties will be modified by intrinsically two different ways: by new physics either coupling ... More
Presented by Pyungwon KO on 4 Jul 2014 at 16:40
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
Dark matter (DM) constitutes the only clear evidence for physics beyond the Standard Model (SM). Minimal extensions of the SM with additional scalars or fermions allow to explain the observed DM relic density in an economic way. We analyse several of these possibilities like the inert Higgs and radiative seesaw models in the light of the recent Higgs discovery and study prospects for the direct an ... More
Presented by Prof. Michael KLASEN
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
Isospin symmetry is explicitly broken in the Standard Model by the non-zero differences of mass and electric charge between the up and down quarks. Both of these corrections are expected to have a comparable size of the order of one percent relatively to hadronic energies. Although these contributions are small, they play a crucial role in hadronic and nuclear physics. We explain how to properly d ... More
Presented by Dr. Antonin PORTELLI on 5 Jul 2014 at 11:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
In this talk, the latest results from CMS on inclusive searches for squark and gluino production at the LHC are reviewed. A variety of complementary final state signatures and methods are presented using 20/fb of data from the 8 TeV LHC run.
Presented by Mr. Javier DUARTE on 3 Jul 2014 at 11:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Recent results on deep-inelastic scattering at HERA are presented. The H1 and ZEUS experiments each have determined new measurements of the proton longitudinal structure function FL, making use of the HERA data recorded at reduced centre-of-mass energies. The results are in agreement with each other and with predictions derived from QCD fits. The region of high x is explored in a dedicated me ... More
Presented by Dr. Vladimir CHEKELIAN on 4 Jul 2014 at 11:35
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Results from diffractive deep-inelastic scattering with a leading proton detected in forward spectrometers are presented. Data from the two experiments H1 and ZEUS, using the FPS and LPS spectrometers, respectively, are combined in a common phase space. New four-differential measurements using the VFPS installed at the H1 experiment are also presented. A QCD factorisation theorem is tested b ... More
Presented by Dr. Karel CERNY on 4 Jul 2014 at 16:15
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. This talk summarises recent ATLAS results on inclusive searches for supersymmetric squarks and gluinos, Results are presented for searches in final state events containing jets, missing transverse momentum, light leptons, taus or photons.
Presented by Dr. Jovan MITREVSKI on 3 Jul 2014 at 11:15
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
India-based Neutrino Observatory (INO) is a proposed underground facility in the southern part of India. The project envisage the construction of an underground laboratory with a large cavern of dimensions 132m X 26m X 20m to house a 50 kton magnetized iron tracking calorimeter detector (ICAL) to study atmospheric neutrinos. In addition, two smaller caverns will also be constructed to host other ... More
Presented by Prof. Sanjib Kumar AGARWALLA on 4 Jul 2014 at 10:45
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
This contribution will review individual and combined measurements of the spin and parity properties in the diphoton, ZZ (with subsequent decays to four leptons) and WW (with subsequent decays to lvlv) channels of the Higgs boson in individual channels using the ATLAS detector and up to 25 fb-1 of 7 TeV and 8 TeV pp collision data collected in 2011 and 2012.
Presented by Dr. Kirill PROKOFIEV on 4 Jul 2014 at 15:55
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The chiral symmetry breaking in an NJL-type effective model of quarks in the presence of a magnetic field is investigated. We show that new interaction tensor channels open up via Fierz identities due to the explicit breaking of the rotational symmetry by the magnetic field. We demonstrate that the magnetic catalysis of chiral symmetry breaking leads to the generation of two independent condensat ... More
Presented by Prof. Efrain J. FERRER
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The double differential inelastic J/psi photoproduction cross section as function of the squared transverse momentum of the J/psi in bins of the inelasticity z has been measured in ep collisions with the ZEUS detector at HERA. An integrated luminosity of 468 pb-1 was used corresponding to the full data sample collected by the ZEUS experiment. The events were required to have 0.1 < z < 0.9, pt > 1 ... More
Presented by Matthew WING
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
Weakly interacting massive particle (WIMP) as a dark matter (DM) candidate is further inspired by recent AMS-02 data, which confirm the excess of positron fraction observed earlier by PAMELA and Fermi-LAT experiments. Additionally, the excess of positron+electron flux is still significant in the measurement of Fermi-LAT. For solving the problem of massive neutrinos and observed excess of cosmi ... More
Presented by Dr. Takaaki NOMURA
Session: Opening Ceremony
Presented by Prof. Alan GUTH on 7 Jul 2014 at 09:30
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
An important part of the current research efforts in QCD is focused on finding the phases of nuclear matter that occur at finite densities and temperatures. While the zero density, finite temperature region can be addressed with the help of lattice QCD, and the zero temperature, very high-density region can be explored with weak-coupling QCD, for the strong-interaction region of intermediate dens ... More
Presented by Vivian DE LA INCERA on 5 Jul 2014 at 17:00
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Please see attached file
Presented by Mrs. Lorena ESCUDERO on 3 Jul 2014 at 15:45
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The European Spallation Source (ESS) linac with 5 MW proton power has the potential to become the proton driver of - in addition to the world’s most intense pulsed spallation neutron source - the world’s most intense neutrino beam. The physics performance of that neutrino Super Beam in conjunction with a megaton Water Cherenkov neutrino detector installed 1000 m down in a mine at a distance of ... More
Presented by Dr. Marcos DRACOS on 3 Jul 2014 at 17:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The interpretation of the Higgs signal within the MSSM requires precise theoretical predictions including mixing and higher-order effects. In case of nearby resonances in the Higgs sector, interference effects may be relevant. However, the interference term is neglected by the standard narrow-width approximation (NWA), which is in other respects a convenient tool for the factorisation of a more co ... More
Presented by Ms. Elina FUCHS on 4 Jul 2014 at 12:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
An interplay between the LHC results on the Higgs boson: measurement of the total width, invisible decays branching ratios and especially the signal strength in the decay of the Higgs boson to two photons, and the properties of the Higgs-portal dark matter (DM) in the Inert Doublet Model is analysed. The results are combined with the PLANCK constraints on the DM relic density, and strong constrain ... More
Presented by Bogumila SWIEZEWSKA on 4 Jul 2014 at 10:00
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
In this talk we discuss in detail how combinations of searches across multiple final states allow for detailed assessment of search sensitivity as a function of a wide range of branching fractions for sbottom, stop, gluino, chargino and neutralino decays to standard model particles plus a neutral LSP.
Presented by Dr. Lesya SHCHUTSKA
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Soft hadronic interactions are modeled in PYTHIA6 using phenomenological adaptation of QCD to describe non perturbative pp processes. We studied the MPI, lambda treatment, matter distribution and color reconnection models using best fit to minimum bias data published by ATLAS experiment at two center of mass energies 0.9 TeV and 7TeV.
Presented by Dr. Nameeqa FIRDOUS
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
The correlation between the invisible Higgs decay width vs. DM direct decetion in Higgs portal DM models is usually presented in the effective field theory approach. This is fine for singlet scalar DM, but not in the singlet fermion or vector DM with Higgs portal. In this talk, I recapitulate the UV completions of the singlet fermion DM and vector DM with Higgs portal, and show that there are hid ... More
Presented by Pyungwon KO
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Japan Proton Accelerator Research Complex (J-PARC) has stated the beam extraction to the neutrino experiment (T2K) and the hadron experiments since 2009. However J-PARC had two big troubles during last three years: 1st one was induced by the Great East Japan Earthquake happened in March 2011 and the second one was caused by the radioactive material leak from hadron experimental hall in May 2013. ... More
Presented by Prof. Fujio NAITO on 3 Jul 2014 at 15:00
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
Ultra-relativistic heavy ions generate strong electromagnetic fields which offer the possibility to study gamma-gamma, gamma-nucleus and gamma-proton processes at the LHC in ultra-peripheral Pb-Pb and p-Pb collisions (UPC). Exclusive photoproduction of J/psi vector mesons is sensitive to the gluon distribution of the interacting target (proton or nucleus). The reactions allow one to study sat ... More
Presented by Mr. Jaroslav ADAM
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
After the discovery of the large neutrino mixing angle 13, the next generation neutrino experiments focus on the measurement of the neutrino mass hierarchy and the leptonic CP violating phase. JUNO, a next generation reactor antineutrino experiment, was proposed to determine the neutrino mass hierarchy independent of the CP phase. We studied the sensitivity and found the mass hierarchy can be d ... More
Presented by Dr. Liang ZHAN on 4 Jul 2014 at 09:45
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Jets are ubiquitous in LHC physics. We will review the advances in algorithms and techniques that have taken place in the past few years, with an emphasis on the role of jet substructure in the analyses of heavy boosted particles.
Presented by Matteo CACCIARI on 5 Jul 2014 at 09:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The production of inclusive jets as well as of dijet and trijet topologies is investigated at HERA. Both the H1 and the ZEUS experiment have determined the corresponding cross sections with improved experimental precision, compared to previous measurements. For both experiments, a hadronic energy scale uncertainty as small as 1% is reached. The value of the strong coupling constant alpha_s(M ... More
Presented by Dr. Pawel SOPICKI on 5 Jul 2014 at 10:05
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present CMS results related to jet production cross sections, which pose a central test to perturbative QCD predictions. Results include recent jet, dijet, multijet differential cross section and hadronic event shape measurements performed with 2011 data taken at center-of-mass energy of 7 TeV and 2012 data taken at 8 TeV. Recent Alpha_S extraction results are presented. We also present searche ... More
Presented by Dr. GEORGIOS MAVROMANOLAKIS on 5 Jul 2014 at 09:45
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Jet studies provide experimental means to explore the details of parton-medium coupling and the energy loss mechanisms in QCD matter. In this talk an overview of recent jet and high-pT measurements from 2.76 TeV PbPb and pp collisions with the CMS detector will be presented. Additionally, the latest CMS jet results from pPb collisions at 5.02 TeV will be discussed in the context of initial state e ... More
Presented by Dr. Garberson PELIN KURT on 5 Jul 2014 at 11:50
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Hard-scattered partons are produced early in heavy-ion collisions, prior to the formation of the strongly interacting nuclear medium, the quark-qluon plasma (QGP). These partons lose energy as they traverse the medium and eventually fragment into jets, which exhibit a modification when compared to jets produced in pp collisions. Large transverse momentum (pT) particles, which are proxies for jets ... More
Presented by Mr. Gustavo CONESA BALBASTRE on 5 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
Please see attached file
Presented by Mrs. Lorena ESCUDERO
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
The KM3NeT Collaboration aims at constructing a multi-km3 neutrino telescope in the Mediterranean Sea, exploiting the Cherenkov emission of relativistic charged particles in water. The detector will consist of a three-dimensional array of large-diameter pressure-resistant digital optical modules (DOMs), each equipped with 31 photomultipliers with 3" photocatode diameter. The DOMs are attached to v ... More
Presented by Dr. Tommaso CHIARUSI
Type: Poster Session: Poster Session
Track: Lattice QCD
We present a lattice QCD determination of the vector and scalar form factors of the kaon semileptonic decay, which are relevant for the extraction of the CKM matrix element |V_{us}| from experimental data. Our results are based on the gauge configurations produced by the European Twisted Mass Collaboration with N_f=2+1+1 dynamical fermions, which account for the sea quark effects of the up, down, ... More
Presented by Mr. Paolo LAMI
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Vector-like top partners are introduced in various BSM models. After mixing with third generation quarks, decays to th, tZ and bW are possible. Recent searches at the LHC give M > 700-800 GeV. We propose an algorithm to kinematically reconstruct vector-like tops from fully hadronic final states at the LHC Run II. Larger signal yield is expected because the branching ratio top-to-hadrons is large. ... More
Presented by Mr. Martin STOLL on 5 Jul 2014 at 11:30
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
LBNE (Long-Baseline Neutrino Experiment) is an accelerator-based neutrino oscillation experiment. LBNE will produce a muon-neutrino beam using protons from Fermilab's Main Injector and will detect electron-neutrino appearance and muon-neutrino disappearance using a Liquid Argon TPC located at a distance of 1300 km at Sanford Underground Research Facility in South Dakota. The primary physics motiva ... More
Presented by Dr. Zelimir DJURCIC on 3 Jul 2014 at 16:30
Presented by Sachio KOMAMIYA on 6 Jul 2014 at 14:00
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
A general overview of the connection between radiative LFV decays, neutrino and LHC data in the context of SUSY seesaws will be given. The impact of the measurement of the reactor neutrino mixing angle and the most recent bounds on rare LFV decays will be discussed.
Presented by Filipe JOAQUIM on 4 Jul 2014 at 12:50
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
The LHCb experiment is a general purpose spectrometer in the forward region optimized for precision studies of beauty and charm hadron properties. The volumes of data produced by the LHC make it possible to perform such precision measurements with only a fraction of the total LHCb dataset, making it an ideal playground for developing new types of masterclass exercises. We present here LHCb's first ... More
Presented by Ms. Ana TRISOVIC on 4 Jul 2014 at 10:30
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The production of J/ψ and Υ-mesons decaying into dimuon final state is studied at the LHCb experiment, with rapidity 1.5 < y < 4.0 or -5.0 < y < -2.5 and transverse momentum pT < 15 GeV/c, in proton-lead collisions at a proton-nucleon centre-of-mass energy of 5 TeV. The analysis is based on a data sample corresponding to an integrated luminosity of 1.6/nb. The forward-backward production ratio a ... More
Presented by Dr. Giulia MANCA on 5 Jul 2014 at 16:40
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The CMS collaboration considers upgrading the muon forward region which is particularly affected by the high-luminosity conditions at the LHC. The proposal involves Gas Electron Multiplier (GEM) chambers, which are able to handle the extreme particle rates expected in this region along with a high spatial resolution. This allows to combine tracking and triggering capabilities, which will improve t ... More
Presented by Dr. Cesare CALABRIA on 4 Jul 2014 at 15:20
Type: Decision by LOC Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Results on study the hydrogen-like atoms consisting of charged pions and Kaons are presented. The first measurement of K+π− and K−π+ atoms lifetime was fulfilled basing on identification of 178±49 Kπ pairs from the atom breakup. The measured lifetime is τ=〖2.5〗_(-1.8)^(+3.0) fs . This value is dictated by properties of the strong πK-interaction at low energy, namely S-wave πK scatte ... More
Presented by Dr. Afanasyev LEONID on 4 Jul 2014 at 17:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The LHCf experiment is composed by two separate detectors, located at +/- 140 m from the ATLAS interaction region of the LHC accelerator. The main goal of the experiment is the measurement of the neutral particles production in the very high pseudo-rapidity region (η > 8.4) both in proton-proton and proton-ion collisions. These measurements are extremely useful to calibrate the hadronic interact ... More
Presented by Prof. Oscar ADRIANI on 4 Jul 2014 at 17:15
Type: Poster Session: Poster Session
Track: Flavour Physics
We update the analysis of D meson mixing including the latest experimental results as of January 2014. We derive constraints on the parameters M12, Γ12 and Φ12 that describe D meson mixing using all available data, allowing for CP violation. We also provide posterior distributions for observable parameters appearing in D physics.
Presented by Dr. Marcella BONA
Type: Poster Session: Poster Session
Track: Flavour Physics
The vast amount of flavour physics results delivered in the last decade by the B factories and the Tevatron have been continuously improving our knowledge on all the B sectors allowing for precision test of the Standard Model (SM). More results are now flowing from the LHC experiments, in particular LHCb, now delivering unprecedented insight and new evidences of rare decays. The CKM picture ... More
Presented by Dr. Marcella BONA
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
KamLAND-Zen is an experiment for neutrinoless double beta decay search with xenon 136 based on large liquid scintillator detector KamLAND. The first phase of the experiment was operated from Oct. 12, 2011 to June 14, 2012 and we set lower limit for the neutrino-less double beta decay half-life , T1/2(0nu) > 1.9*10^{25} yr. The combined result of KamLAND-Zen and EXO data give T1/2(0nu) > 3.4*10^{2 ... More
Presented by Dr. Yoshihito GANDO on 3 Jul 2014 at 11:30
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The Pierre Auger Observatory is the largest cosmic ray detector ever built. It was designed to detect the highest energy particles in the Universe, and it has been taking data since 2004. Our published results range from the measurement of the flux suppression at the highest energies to limits on ultra high energy neutrinos, from limits on the flux of EeV neutrons from the galaxy to the measuremen ... More
Presented by Prof. Mostafa MIGUEL on 5 Jul 2014 at 15:25
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The NEMO-3 experiment looked for neutrinoless double beta decay processes from 2003 to 2011 at the Modane Underground Laboratory. Seven isotopes were studied by the simultaneous recording of the energy and track of the event, standing out 100-Mo and 82-Se since they were the most massive ones. No evidence for neutrinoless double beta decay has been observed, leading to set limits on the effective ... More
Presented by Dr. Hector GOMEZ MALUENDA on 3 Jul 2014 at 13:15
Type: Poster Session: Poster Session
Track: Neutrino Physics
In this poster we present the latest results of NEXT-DEMO, a 1:4.5 scale prototype of the NEXT100 detector, a high-pressure xenon gas TPC that will search for the neutrinoless double beta decay of Xe-136. X-ray energy depositions produced by the de-excitation of Xenon atoms after the interaction of gamma rays from radioactive sources have been used to characterize the response of the detector ... More
Presented by LUIS SERRA DIAZ CANO
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The OPERA experiment is designed to prove neutrino oscillations in the nu_mu to nu_tau channel through the direct observation of the tau lepton in tau neutrino charged current interactions. The experiment has accumulated data for five years, from 2008 to 2012, with the CERN Neutrinos to Gran Sasso (CNGS), an almost pure nu_mu beam. In the last two years, a very large amount of the data accu ... More
Presented by Dr. Masahiro KOMATSU on 3 Jul 2014 at 15:15
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
The anomalous magnetic moment of the muon, g-2, is one of the most promising observables to identify the signs of physics beyond the Standard Model. QCD contributions are currently responsible for the largest fraction of the overall theoretical uncertainty in the determination of the muon g-2, and in the running of the QED coupling constant. Studies of the vacuum polarisation function and of ... More
Presented by Gregorio HERDOIZA on 5 Jul 2014 at 12:00
Type: Poster Session: Poster Session
Track: Neutrino Physics
The lepton-charge ( $L_e,\,L_{\mu},\,L_{\tau}$ ) nonconserving interaction leads to the mixing of the electron, muon and tau neutrinos, which manifests itself in spatial oscillations of a neutrino beam, and also to the mixing of the electron, negative muon and tau lepton, which, in particular, may be the cause of the "forbidden" radiative decay of the negative muon into the e ... More
Presented by Dr. Valery LYUBOSHITZ
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
Holographic techniques have been instrumental in understanding certain aspects of strongly correlated systems, both in high energy and condensed matter physics. One of the most interesting applications of holography in the condensed matter setting is the study of quantum critical points exhibiting Lifshitz or hyperscaling violating Lifshitz symmetry. Although various aspects of the holographic dic ... More
Presented by Dr. Ioannis PAPADIMITRIOU on 5 Jul 2014 at 15:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
Neutrino oscillation experiments showed that neutrinos have tiny but non-zero masses. The seesaw mechanism is the most fruitful explanation of the light neutrino masses and mixings, which connects the tiny neutrino masses with heavy right-handed neutrino masses. After spontaneous symmetry breaking of the Standard Model gauge group one obtains a $(n_L+n_R)\times(n_L+n_R)$ Majorana mass matrix $M_ ... More
Presented by Dr. Darius JURCIUKONIS
Presented by Hitoshi YAMAMOTO on 6 Jul 2014 at 11:35
Presented by Prof. lyndon EVANS on 6 Jul 2014 at 09:00
Session: Plenary Session
Presented by Prof. Gino ISIDORI on 8 Jul 2014 at 09:30
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Germanium detectors with sub-keV sensitivities can probe low-mass WIMP Dark Matter. This experimental approach is pursued at the Kuo-Sheng Neutrino Laboratory (KSNL) in Taiwan and at the China Jinping Underground Laboratory (CJPL) in China via the TEXONO and CDEX programs, respectively. The highlights of R&D efforts on point-contact germanium detectors and in particular the differentiation of surf ... More
Presented by Dr. ARUN KUMAR SOMA on 4 Jul 2014 at 12:06
Type: Poster Session: Poster Session
Track: Neutrino Physics
Prediction of low-mass W_R and Z_R gauge bosons in popular grand unified theories has been the subject of considerable attention over the last three decades. In this work we discuss two different ways towards achieving this objective with minimal symmetry breaking chains of SO(10) or E_6 grand unified theories in concordance with light neutrino masses. Model predictions for observable lepton flavo ... More
Presented by Prof. Minaketan PARIDA
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present recent measurements of inclusive jet cross sections at low-pT and forward rapidity. The data is collected with the CMS detector using p-p collisions at 8 TeV, exploiting special low-pileup runs of the LHC. The results are compared to theoretical predictions, and to CMS measurements at high-pT and central rapidity.
Presented by Dr. SALIM CERCI
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Gravitational effects observed at different astronomical scales indicate that ~85% of the matter content of the Universe consist of dark matter (DM) whose particle nature remains unknown. Hints from direct and indirect measurements, together with some theoretical scenarios, motivate the interest in low-mass (< 30 GeV/c^2) weakly-interacting massive particles (WIMPs) as DM candidates. The Super ... More
Presented by Dr. Elias LOPEZ ASAMAR on 4 Jul 2014 at 09:19
Type: Poster Session: Poster Session
Track: Detector RD and Performance
During the first three years of data taking at the LHC, considerable advances in understanding and controlling systematic effects in luminosity determination were made both by the experiments and by the accelerator. The precision achieved with the CMS experiment is 2.6% for the pp data taking in 2012 at 8 TeV. This is an unprecedented precision at a hadron collider, comparable in size with the sys ... More
Presented by Hwi Dong YOO
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
The MOSCAB experiment (Materia OSCura A Bolle) uses the Geyser technique for dark matter search. The results of the first 0.5 kg mass prototype detector using superheated C3F8 liquid were very encouraging, achieving a 5 keV nuclear recoil threshold with high insensitivity to gamma radiation. Additionally, the technique seems to be easily scalable to higher masses for both in terms of complexity an ... More
Presented by Miguel ARDID
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I will discuss a new method of including NLO QCD corrections to the hard process in the LO Monte Carlo (MC) shower. The method is based on the recently proposed MC factorization scheme, which dramatically simplifies the NLO coefficient functions. The NLO corrections are introduced by a simple reweighing of the events produced by the LO shower, with a single, positive MC weight. I will show a pract ... More
Presented by Dr. Sebastian SAPETA on 5 Jul 2014 at 12:30
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
The extremely high center-of-mass collision energies at the Large Hadron Collider (LHC) are expected to produce significant yields of light (hyper-)nuclei in proton-proton, proton-lead, and especially in lead-lead collisions. In addition, these collisions give one the possibility to search and study light exotic states. The use of the Time Projection Chamber and the Time-Of-Flight detector prov ... More
Presented by Dr. Natasha SHARMA
Type: Poster Session: Poster Session
Track: Flavour Physics
We present two recent measurements of direct CP-violation parameters in charm meson decay, using 10.4 fb-1 of proton-antiproton collisions collected by the D0 detector during Run II at the Fermilab Tevatron Collider. We extract the asymmetry in decay widths for the positively and negatively charged cases of D_s -> phi pi (with phi -> K+K-) and $D -> K pi pi. In both cases, we determine the raw cha ... More
Presented by Prof. Rick VAN KOOTEN
Type: Poster Session: Poster Session
Track: Neutrino Physics
Muon-induced neutrons are one of the major backgrounds to various underground experiments, such as dark matter searches, low-energy neutrino oscillation experiments and neutrino-less double beta-decay experiments. Previous experiments on the underground production rate of muon-induced neutrons were mostly carried out either at shallow sites or at very deep sites. The Aberdeen Tunnel experiment aim ... More
Presented by Dr. Ho Yin NGAI
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic ep scattering at HERA are presented as a function of the Feynman variable x_F and of the centre-of-mass energy of the virtual photon-proton system W. The data are taken with the H1 detector in the years 2006 and 2007 and correspond to ... More
Presented by Stefan SCHMITT
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Jets provide a powerful tool for probing the dynamics of the quark-gluon plasma created in Pb+Pb collisions at the LHC. The modification of high-pT parton showers as they propagate in the quark-gluon plasma, often referred to as "jet quenching", provides insight on the short-distance dynamics of the plasma. Jet quenching has been observed in a variety of single jet, dijet, and photon-jet measureme ... More
Presented by Dr. Barbara Krystyna WOSIEK on 5 Jul 2014 at 12:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
One of the key topics in the physics program of the ILC is the precision measurement of the couplings of the Higgs boson. At linear colliders, Higgs bosons are produced singly in association with Z bosons and by W boson fusion. In both processes, the backgrounds to Higgs production are relatively small, and all major Higgs boson decay modes can be observed. The Zh process gives tagged Higgs bos ... More
Presented by Dr. Junping TIAN on 5 Jul 2014 at 15:55
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Electron antineutrinos from six 2.9 GW$_{th}$ reactors are detected with six detectors deployed in two near and one far underground experimental halls at Daya Bay. Using 217 days of data, more than 300,000 antineutrino candidates were detected in the three halls. In this talk, a measurement of absolute reactor antineutrino flux and spectrum will be described, including comparisons of the measureme ... More
Presented by Dr. Weili ZHONG on 5 Jul 2014 at 10:15
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present a measurement of the WZ and ZZ production cross sections in proton-proton collisions at 8 TeV in final states where one Z boson decays to b-tagged jets, while the other gauge boson, either W or Z, is detected through its leptonic decay. The results are based on data corresponding to an integrated luminosity of 18.9 /fb collected with the CMS detector at the Large Hadron Collider.
Presented by Mr. Philipp David ELLER on 5 Jul 2014 at 10:25
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The measurement of the WW diboson production cross section in proton-proton interactions is reported from the ATLAS experiment. The analysis requires heavy bosons to decay leptonically, using ee, emu and mumu final states associated with large missing energy. The data are used to test the electroweak sector of the Standard Model and search for evidence for new phenomena. The cross section results ... More
Presented by Dr. Kristin LOHWASSER on 5 Jul 2014 at 09:35
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present the first measurement of the cross section for direct photon pair production in association with dijet events in proton-antiproton collisions at sqrt(s)=1.96 TeV. We also determine the fraction of events with hard double parton (DP) scattering in a single proton-antiproton collision. Aside from the stringent test of the perturbative QCD predictions, diphoton + dijet production provides ... More
Presented by Dr. Don LINCOLN
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A review of the latest results on the measurment of the cross sections and couplings of the Higgs boson in the WW decay channel with the ATLAS detector is presented, using approximately 25 fb-1 of pp collision data collected at 7 TeV and 8 TeV in 2011 and 2012.
Presented by Corrinne MILLS on 4 Jul 2014 at 09:00
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A review of the latest results on the measurment of the cross sections and couplings of the Higgs boson in the ZZ decay channel with the ATLAS detector is presented, using approximately 25 fb-1 of pp collision data collected at 7 TeV and 8 TeV in 2011 and 2012.
Presented by Prof. Gabriella SCIOLLA on 3 Jul 2014 at 11:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Differential top quark pair production cross sections are measured in proton-proton collisions at the LHC at centre-of-mass energies of 7 and 8 TeV, using data collected by the CMS experiment in the years 2011 and 2012. The differential cross sections are measured as functions of various kinematic observables, including the transverse momentum and rapidity of the (anti)top quark and the top-antito ... More
Presented by Mr. Ivan ASIN CRUZ on 3 Jul 2014 at 12:15
Type: Poster Session: Poster Session
Track: Detector RD and Performance
During the LHC Run-I data taking period, ATLAS has developed and refined several approaches for measuring missing transverse momentum \MET{} in proton-proton collisions.  Standard calorimeter-based \MET{} reconstruction techniques have been improved to obtain high precision measurement, while new track-based \MET{} methods provide an independent, and complementary measurement from charged particl ... More
Presented by Bo LIU
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
ATLAS measurements of multi-boson production processes involving combinations of W, Z and isolated photons are summarized. Measurements using 7 TeV and at 8 TeV p-p collision data are presented. The measurements are performed using leptonic decay modes, including the invisible decay Z--> nunu, as well as semileptonic channels. Differential and total cross sections are presented and are used to pla ... More
Presented by Prof. Chara PETRIDOU on 5 Jul 2014 at 15:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present differential cross-section measurements of inclusive photon production, photon+jet production, and diphoton production in pp collisions based on data recorded by the CMS detector at the LHC. The associated production of a photon and one or more jets in pp collisions provides a direct probe into the hard QCD interaction, is sensitive to gluon densities in the proton, and is a major sourc ... More
Presented by Mr. Andrea Carlo MARINI on 4 Jul 2014 at 10:35
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of abstract merging: Measurements are presented of t-channel single top quark production in proton-proton collisions at the LHC at centre-of-mass energies of 7 and 8 TeV, using data collected with the CMS experiment during the years 2011 and 2012. The analyses consider decay channels where the W from the top decays into electron-neutrino or muon-neutrino, and makes use of kinematic charact ... More
Presented by Mr. Mario MEROLA on 3 Jul 2014 at 13:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
CDF has performed a measurement of the B_c production cross section times branching fraction for B_c -> J/psi mu^+ nu relative to the B+ production cross section times branching fraction for B+ -> J/psi K^+. The measurement is based on the complete CDF Run II data set consisting of an integrated luminosity of 8.7 fb^-1. A sample of 1370 events is selected in which a J/psi decay to two muons is mat ... More
Presented by Jonathan LEWIS
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The angle γ is the least constrained parameter in the CKM unitarity triangle. Its determination in decays induced by tree-level b→c transitions is largely unaffected by potential new physics contributions. This allows for a consistency check of the unitarity triangle, but also of comparisons with γ determinations from modes with loop-diagrams. We present here a new precise determination of γ ... More
Presented by Mrs. Agnieszka DZIURDA on 4 Jul 2014 at 17:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
In this talk we present a measurement of the time-dependent CP-violating phase phi_s in the decays of B_s -> J/psi phi. The phase phi_s is the key parameter for the CP-violation of the B_s and anti-B_s system. An angular and proper decay time analysis is applied to the Bs->J/psi phi events. Using a data sample collected by the CMS experiment, the Bs signal candidates are reconstructed and are used ... More
Presented by Mr. Giacomo FEDI on 4 Jul 2014 at 10:10
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
After the discovery of the Higgs boson it became even more important to perform precision measurements and to search for deviations from the Standard Model predictions in the electroweak sector. A study of the measurement of trilinear gauge couplings is presented looking at the semi-leptonic W-pair production in e+e- annihilation at the ILC at centre-of-mass energies of 500 GeV and 1 TeV with pola ... More
Presented by Aura ROSCA on 5 Jul 2014 at 16:20
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Precision measurements of the D -> pi e+ nu form factor could shed new light on the persistent difference between inclusive and exclusive measurements of Vub. We report the measurement of the partial branching fraction of  D -> pi e+ nu in bins of the four-momentum transfer squared of the D to pi system using 347.2 /fb of integrated luminosity of the BaBar data. The D -> pi form factor is extract ... More
Presented by Dr. Arantza OYANGUREN on 4 Jul 2014 at 16:15
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
At center of mass energies of 500 GeV and above, e+e- collisions lead to processes in which the Higgs boson is radiated from top quarks and antiquarks and events in which two Higgs bosons are produced. The first of these processes leads to a precision measurement of the Higgs boson coupling to top quarks, the second to a measurement of the Higgs boson self-coupling. The rates of these processes ... More
Presented by Dr. Jan STRUBE
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
This poster presents an updated measurement of the Higgs boson mass with the combined fit of two decay channels H→ZZ*→4l and H → γγ . The analyses are based on 4.6 fb-1 and 20.7 fb-1 of proton-proton collisions at centre of mass energies of 7 TeV and 8 TeV respectively, recorded with the ATLAS detector at the LHC. This result is based on updated energy-scale calibrations for photons, elect ... More
Presented by Dr. Andrea GABRIELLI
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The latest results on the measurement of the Higgs boson mass in the diphoton and ZZ decay channels with the ATLAS detector is presented, using approximately 25 fb-1 of pp collision data collected at 7 TeV and 8 TeV in 2011 and 2012.
Presented by Dr. Robert HARRINGTON on 3 Jul 2014 at 12:20
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
The production cross section of top-quark pairs associated with a photon (ttbar+gamma) is determined in the muon+jets decay channel using 19.7 fb-1 of data taken at sqrt(s) = 8 TeV with the CMS detector. The relative fraction of ttbar+gamma events normalized to inclusive ttbar production is measured. Using an inclusive CMS cross section measurement, the ttbar+gamma cross section is determined and ... More
Presented by Mr. Heiner THOLEN
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The OPERA detector, designed to search for muon- to tau-neutrino oscillations in direct appearance mode, is located in the underground Gran Sasso laboratory, a privileged location to study TeV-scale cosmic rays. Given the large rock depth and the detector’s wide acceptance, the apparatus was used to measure the atmospheric muon charge ratio in the TeV energy region. The muon charge ratio, define ... More
Presented by Dr. Nicoletta MAURI on 5 Jul 2014 at 10:24
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present a measurement of the W boson mass using D0 Run II data. We select e + neutrino events consistent with a W decay and extract the W boson mass from the distributions of the electron transverse momentum, the neutrino transverse momentum, and the system transverse mass.
Presented by Dr. Hengne LI on 5 Jul 2014 at 09:20
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
Single top quark production accounts for ~1/3 of the overall top quark production cross-section at the LHC, opening a great opportunity to probe electroweak couplings. One important production mode in the Standard Model is the creation of a single top quark in association with a W boson, which had eluded discovery until summer 2013. The close similarity of its final state to that of top quark pair ... More
Presented by Dr. Sebastian MERGELMEYER
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
A measurement is presented of the Z boson production differential cross section as a function of Z transverse momentum. The sample of proton-proton collisions collected by the CMS experiment at the LHC at $\sqrt{s}$ = 8 TeV corresponds to an integrated luminosity of $18.4~\pm 0.5$~\pbinv. The Z bosons are identified via their decay to do-lepton pairs. The measured cross sections are well described ... More
Presented by Dr. Sangeun LEE
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The radiative B decays proceed through a loop diagram and are sensitive to New Physics. We perform measurements of the branching fraction of $B \to X_s \gamma$, where $X_s$ is the hadronic state with strangeness. Using a semi-inclusive method in which $X_s$ is reconstructed with 38 exclusive modes, the inclusive branching fraction in $M_{X_s} < 2.8$ GeV is measured. We also report the measureme ... More
Presented by Mr. Luis PESANTEZ on 5 Jul 2014 at 15:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: Charged and neutral current Drell Yan cross sections are sensitive to the parton distribution functions of the proton and electroweak corrections. The measurements of the neutral current DY process in three distinct kinematic regions, i.e. at the Z boson mass peak, below and above, are performed by the ATLAS collaboration using 7 TeV proton-proton collision data. The r ... More
Presented by Uta KLEIN on 4 Jul 2014 at 13:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The exclusive deep inelastic electroproduction of $\psi(2S)\rightarrow \mu^+\mu^-$, $\psi(2S)\rightarrow J/\psi\pi^+\pi^-\rightarrow \mu^+\mu^-\pi^+\pi^-$ and $J/\psi\rightarrow \mu^+\mu^-$ have been studied with the ZEUS detector at HERA using an integrated luminosity of $354$ pb$^{-1}$. The analysis was carried out in the kinematic range $5 < Q^2 < 70$ GeV$^2$, $30 < W < 210$ GeV and $|t| < 1$ ... More
Presented by Matthew WING
Type: Poster Session: Poster Session
Track: Neutrino Physics
Double Chooz is a 2-detector reactor antineutrino oscillation experiment designed to make a precision measurement of the neutrino mixing angle $\theta_{13}$. The electron antineutrinos from the Chooz (France) nuclear power plant are detected through the inverse beta decay process $\bar{\nu}_{e} + p \to e^{+} + n$ in a gadolinium-loaded liquid scintillator target. In the 1-detector run, started in ... More
Presented by Mr. José Ignacio CRESPO ANADóN
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present a measurement of the W boson pair production cross section in ppbar collisions at sqrt(s) = 1.96 TeV. The WW candidates are reconstructed from decays containing two charged leptons and two neutrinos, where the charged leptons are either electrons or muons. The measurement is performed using data collected by the CDF II detector from 9.7 fb−1 of integrated luminosity. The total and d ... More
Presented by Mr. Will PARKER on 5 Jul 2014 at 15:15
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The measurement of production of same-sign WW bosons associated with two forward jets
is reported based on 20 fb-1 of data at sqrt(s) = 8 TeV recorded by the ATLAS experiment. The measurements are performed in fiducial volumes, sensitive to QCD and Electroweak production mechanisms. The electroweak of component of same-sign WW production is extracted in a fiducial region with large rapidity di ... More
Presented by Mr. Christian GUMPERT on 5 Jul 2014 at 09:50
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Measurement of production of vector bosons associated with two forward jets is reported based on 20 fb-1  of data at sqrt(s) = 8 TeV  recorded by the ATLAS experiment. The measurement is performed in various fiducial volumes, sensitive to QCD and Electroweak production mechanisms. The electroweak component for single Z boson production is extracted by a fit to the dijet invariant mass distri ... More
Presented by Dr. Emily NURSE, Prof. Antonella DE SANTO on 4 Jul 2014 at 16:20
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Measurements of the muon charge asymmetry in inclusive pp to WX production at sqrt(s)=7 TeV are presented. The data sample corresponds to an integrated luminosity of 4.7 inverse femtobarns recorded with the CMS detector at the LHC. With a sample of more than twenty million W to mu nu events, the statistical precision is greatly improved in comparison to previous measurements. These new results pro ... More
Presented by Mr. Saranya GHOSH on 4 Jul 2014 at 15:50
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The Bs meson provides an ideal laboratory for measurements of CP violation and searches for CPV beyond the Standard Model. We present recent LHCb results on measurements of the Bs mixing phase using Bs→J/ψKK and J/ψππ decays.
Presented by Mr. Roel AAIJ on 4 Jul 2014 at 09:55
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The Bs meson provides an ideal laboratory for measurements of CP violation and searches for CPV beyond the Standard Model. We present recent LHCb results on measurements of the Bs mixing phase using the penguin mediated decay Bs→φφ, which is very sensitive to physics beyond the Standard Model.
Presented by Mr. Matthew Needham NEEDHAM on 4 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We have used ISR technique to measure the proton magnetic form factor in the energy region from 3.0 to 6.5 GeV and charged kaon form factor in the range from 2.6 to 7.5 GeV. The proton data clearly indicate that the difference between values of time- and space-like magnetic form factors decreases with increase of energy. The kaon form factor decreases with energy faster than 1/E^2 approaching the ... More
Presented by Dr. Vladimir DRUZHININ
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present measurements of the cross sections for the two main production modes of single top quarks in pp(bar) collisions at a center-of-mass energy of 1.96 TeV in the Run II data collected with the D0 detector at the Fermilab Tevatron Collider. For this measurement the full D0 data set corresponding to an integrated luminosity of 9.7 fb−1 is used. We present the evidence of the s-channel pro ... More
Presented by Prof. Christian SCHWANENBERGER on 3 Jul 2014 at 12:50
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: The future precision studies of the Standard Model require excellent knowledge of the top quark mass, to an accuracy of 100 MeV or better. This mass can be measured in a way that is free of any ambiguities from soft QCD by locating the threshold position for e+e- annihilation to top quarks, or, more precisely, the mass of the unstable 1S resonance. The measurement re ... More
Presented by Mr. Nacho GARCIA on 5 Jul 2014 at 16:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We report a measurement of the mass of the heaviest known standard model particle, the top quark, performed by the D0 experiment at the Fermilab Tevatron Collider. We present the most precise D0 measurement employing the matrix element technique in the lepton+jet channel. For this measurement the full D0 data set corresponding to an integrated luminosity of 9.7 fb^-1 is used. We also discuss top q ... More
Presented by Oleg BRANDT on 4 Jul 2014 at 11:45
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The ATLAS measurement of the total p-p cross section at the LHC at sqrt(s)= 7 TeV is presented. In a special LHC run with high betastar beam optics corresponding to an integrated luminosity of 80 inverse microbarn the elastic scattering process is measured in the range of the momentum transverse t from -t=0.0025 GeV^{2} to -t=0.38 GeV^{2} with the ALFA detector of ATLAS. From the extrapolation of ... More
Presented by Dr. Hasko STENZEL on 5 Jul 2014 at 13:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Single top topologies are exploited for studies of top quark properties. This includes the first measurement of single top polarization in the t-channel production mode in pp collisions, which directly confirms the V-A nature of the tWb production vertex. W-helicity fractions are measured in the phase space sampled by a selection optimized for t-channel single top production, orthogonal to the ttb ... More
Presented by Dr. Efe YAZGAN on 3 Jul 2014 at 15:20
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: In proton-proton collisions at the LHC, pairs of top and anti-top quarks are expected to be mostly produced through gluon fusion. Making use of the large number of top quark pairs collected in the 7 TeV data, we present measurements of the spin correlation between top and anti-top quarks using several variables and discuss their sensitivity to new physics. In addition ... More
Presented by Dr. Simon HEAD on 3 Jul 2014 at 16:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
LHCb has collected the world's largest sample of charmed hadrons. This sample is used to search for direct and indirect CP violation in charm, and to measure D0 mixing parameters. New updated measurements from several decay modes are presented, with complementary time-dependent and time-integrated analyses. We report on recent measurements of CP asymmetries in D→KK and D→ππ decays using the ... More
Presented by Mr. Mark SMITH on 4 Jul 2014 at 15:00
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Charmed hadrons are a unique probe of CP violation with up-type quarks. Yet, CP violation in the charm sector is very suppressed by tiny CKM phases in the Standard Model. Any non-zero measurement would thus be a sign of New Physics. We report on recent measurements of CP asymmetries in multibody charmed meson and baryon decays. The CP asymmetries are studied in regions of the Dalitz space.
Presented by Dr. Denis DERKACH on 4 Jul 2014 at 15:45
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The couplings of the Higgs boson are measured by the ATLAS experiment using the LHC Run I data sample. The data analyzed involve decays of the Higgs boson to pairs of photons, Z bosons, W bosons, tau leptons, or b-quarks. Evidence for Higgs boson decays into fermion pairs is found with 3.7 significance using the combination of the bb and tau-tau channels. The measured values and mass dependence ... More
Presented by Dr. Eric FENG
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A search for the Higgs boson has been carried out in the Higgs to WW decay mode with the CMS detector at the LHC collider, where each W decays into an electron or photon and a neutrino. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5/fb and 20/fb, respectively. The analysis strategy and measurements of th ... More
Presented by Pietro GOVONI on 4 Jul 2014 at 09:15
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A search for the Higgs boson has been carried out in the Higgs to ZZ to four leptons decay mode with the CMS detector at the LHC collider, where leptons are electrons or muons. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5/fb and 20/fb, respectively. The analysis strategy and measurements of the mass, c ... More
Presented by Adish VARTAK on 3 Jul 2014 at 11:15
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
We report measurements of the branching fraction (BF) and CP asymmetry ($A_{CP}$) for three rare charmless decays $B^0 \to \pi^0 \pi^0$, $B^0 \to \eta^0 K^{*}(892)^{0}$ and $B^+ \to \bar{K}^{*}(892)^{0} K^{*}(892)^{+}$. Previous measurements of the BF($B^0 \to \pi^0 \pi^0$) are significantly larger than theoretical expectations. The measured BF and $A_{CP}$ in this mode are vital for the determin ... More
Presented by Dr. Marko PETRIC on 4 Jul 2014 at 12:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present preliminary result of the measurement of Michel parameters in leptonic $\tau$ decays and search for the Electric Dipole Moment of the $\tau$ lepton using the world-largest $\tau$ data sample collected by the Belle detector at the KEKB collider. Michel parameters are extracted from $(\tau^{\mp}\to\ell^{\mp}\nu\nu$, $\tau^{\pm}\to\pi^{\pm}\pi^0\nu)$ and $(\tau^{\mp}\to\pi^{\mp}\pi^0\nu$, ... More
Presented by Dr. Hisaki HAYASHII on 5 Jul 2014 at 15:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Several aspects of the jet production in pp collisions have been measured by the ATLAS collaboration. The measurements of the production cross sections of inclusive, di- and tri-jet events probe the dynamics of QCD and can constrain the parton proton structure. The cross sections are measured using jets clustered with the anti-kT algorithm with different distance parameters and compared to expec ... More
Presented by Dr. Bogdan MALAESCU on 5 Jul 2014 at 09:25
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Productions of light and heavy-flavour jets in association with a W or a Z boson in proton-proton collisions are important processes to study QCD in multi-scale environments and the proton parton content. The cross section, differential in several kinematics variables, have been measured with the ATLAS detector in 7 TeV proton-proton collisions and compared to high-order QCD calculations and Monte ... More
Presented by Dr. Gavin Grant HESKETH on 4 Jul 2014 at 09:55
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We present a set of final results on invariant mass spectra of tau lepton decays into three hadrons and a neutrino. The results are based on the analysis of about 315 million tau lepton pairs, corresponding to an integrated luminosity of 342 fb^-1, collected with the BABAR detector at the PEP-II asymmetric energy e+e- storage rings.
Presented by Mr. Rocky SO
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
A measurement of the cross section for 4 lepton production near the Z resonance is presented for sqrt(s) = 7 and 8 TeV proton-proton collisions recorded with the ATLAS experiment. The measurement is interpreted as a determination of the branching fraction for the Z boson decaying into 4 leptons and is found consistent with the expectation from the Standard Model.  This result provides an importa ... More
Presented by Dr. Yusheng WU on 4 Jul 2014 at 15:15
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: We present charge asymmetry measurements from $W$ boson decays in both electron and muon channels, with 7.3 fb-1 to 9.7 fb-1 of Run II data collected by the D0 detector at the Fermilab Tevatron Collider. In the electron channel, we present the lepton asymmetry as a function of the electron transverse momentum and pseudo-rapidity out to |eta| \leq 3.2; we also give the ... More
Presented by Mr. Siqi YANG on 4 Jul 2014 at 17:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
Understanding of the production of P-wave charmonium states is a significant bottleneck in the understanding of charmonium production as a whole. Current theoretical calculations are limited in their ability to model the production and decay of these states. We present new measurements of the double-differential production cross-sections of the three chi_cJ spin states separately, extending upon p ... More
Presented by Dr. Paolo IENGO
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: Precision measurements are presented of the top-quark pair inclusive production cross section in proton-proton collisions at the LHC at centre-of-mass energies of 7 TeV and 8 TeV. The data are collected with the CMS experiment during the years 2011 and 2012. The analyses include all top quark pair final states with the exception of events with two tau-leptons in the fi ... More
Presented by Lukas BAENI on 3 Jul 2014 at 11:45
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
Result of merged abstracts: Measurements are presented of the properties of top quarks in pair production from proton-proton collisions at the LHC. The data were collected at pp centre-of-mass energies of 7 and 8 TeV by the CMS experiment during the years 2011 and 2012. The charge asymmetry is measured using the difference of the absolute rapidities of the reconstructed top and anti-top kinematic ... More
Presented by Dr. Sergo JINDARIANI on 3 Jul 2014 at 16:35
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
After the announcement of a 125 GeV particle by the ATLAS and CMS collaborations on July 04, 2012, it became very important to study all the properties of this new particle (Higgs Boson). Measurements of the properties of the Higgs boson with a mass near 125 GeV will be presented. The results are based on data samples corresponding to integrated luminosities of up to 5.1/fb at 7 TeV and up to 19.6 ... More
Presented by Ms. Shivali MALHOTRA
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The results from the LHC indicate that the couplings of the Higgs boson to other particles are consistent with the Standard Model. However the final and ultimate test as to whether this particle is the standard Higgs boson will be the coupling of the Higgs boson to itself. We study the Higgs pair production from gluon fusion at the LHC and try to determine how accurately the trilinear Higgs coup ... More
Presented by Prof. Chung KAO on 5 Jul 2014 at 16:30
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
New exact solutions of the modified Dirac equation describing a neutrino with nontrivial electromagnetic properties in extreme background conditions are obtained. Within the quasi-classical treatment the effective Lorentz force that describes the neutrino propagation in the magnetized rotating matter is introduced. We predict the effect of the spatial separation of different types of relativistic ... More
Presented by Prof. Alexandert STUDENIKIN
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
I will review the current status of the minimal SO(10) GUT and comment on the new results of a dedicated two-loop analysis and their phenomenological implications, focusing, in particular, on the complementarity of the constraints from the LHC physics and those from the future proton decay searches.
Presented by Dr. Michal MALINSKY on 4 Jul 2014 at 13:13
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present recent results on Minimum Bias, MPI and DPS, and Diffractive and Exclusive studies using data collected during Run 1 of the LHC. The measurements include data collected in p-p collisions at sqrt(s) = 2.76, 7, and 8 TeV by the CMS and TOTEM collaborations. Double parton scattering is investigated in several final states including vector bosons and jets, and the effective cross section re ... More
Presented by Dr. Dipanwita DUTTA on 5 Jul 2014 at 12:45
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The Laser Alignment System (LAS) of the CMS Tracker detector monitors the position variation of its components every five minutes. A precision of 1 micrometer for the x and y translations, and 1.1 microradians rotation around z-axis was achieved. For rotations around x- and y-axis the achieved precision is 3.7 and 2.6 microradians, respectively. During the cooling down test performed in Novembe ... More
Presented by Adrian PERIEANU
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Motivated by the absence of any clear signal of physics beyond the Standard Model (SM) at the LHC after Run 1, I will discuss one slight (but tantalizing) hint of new physics and one non-minimal extension of the SM. In the first part of the talk I will do the exercise of explaining a small excess of multilepton events recently observed by the CMS collaboration by means of a simplified model of gau ... More
Presented by Christoffer PETERSSON
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Muon accelerators offer unique potential for high energy physics applications. They can provide clean, well-characterized and intense neutrino beams for short- and long baseline oscillation studies – thus providing unmatched measurement precision for key parameters such as the CP-violating phase as well as unique sensitivity to probe for new physics. Two Neutrino Factory concepts, nuSTORM an ... More
Presented by Dr. Mark PALMER on 3 Jul 2014 at 15:40
Type: Poster Session: Poster Session
Track: Neutrino Physics
Jiangmen Underground Neutrino Observatory (JUNO), with 53 km baseline, 700 meter overburden, will aim at measurement of neutrino mass hierarchy as well as many other physical goals. Based on the geological survey, muon flux in the underground hall was estimated to be about 0.003 Hz/m2. Muon induced background was discussed. In addition, the underground facility was described in the detail.
Presented by Mr. XIAONAN LI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The ATLAS experiment identifies and reconstructs muons with two high-precision tracking systems, the Inner Detector and the Muon Spectrometer, which provide independent measurements of the muon momentum. This poster summarizes the performance of the combined muon reconstruction in terms of reconstruction efficiency, momentum scale and resolution. Data-driven techniques are used to derive correctio ... More
Presented by Giacomo ARTONI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The performance of muon reconstruction and identification in CMS has been studied on data collected in pp collisions at √s = 7 TeV and 8 TeV at the LHC. We present measurements of muon reconstruction and trigger efficiencies, fake rates, and momentum scale and resolution, and discuss methods developed to differentiate prompt isolated muons from decays of heavy particles (W/Z/H boson or top quark ... More
Presented by Ilse KRATSCHMER
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The trigger systems of LHC detectors play a fundamental role in defining the physics capabilities of the experiments. A reduction of several orders of magnitude in the rate of collected events, with respect to the proton-proton bunch crossing rate generated by the LHC, is mandatory to cope with the limits imposed by the readout and storage systems limits. An accurate and efficient online selection ... More
Presented by Piet VERWILLIGEN
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
We present a detailed description of $N=2$ stationary BPS multicenter black hole solutions for quadratic prepotentials with an arbitrary number of centers and scalar fields making a systematic use of the algebraic properties of the matrix of second derivatives of the prepotential, $\mathcal{S}$, which in this case is a scalar-independent matrix. In particular we obtain bounds on the physica ... More
Presented by Dr. torrente-lujan EMILIO on 5 Jul 2014 at 13:00
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
The critical phenomena are studied in the frame of an effective theory of strong interactions at high temperatures. The critical end point (CEP) is a distinct singular feature existence of which is dictated by the appropriate dynamics. The physical approach of the effective CEP is studied via the influence fluctu- ations of two-body Bose-Einstein correlations for observed particles to which the cr ... More
Presented by Dr. Gennady KOZLOV
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I will summarize the current status of Monte Carlo tools used for LHC phenomenology and highlight the most recent developments in the field, with a particular focus on the progress made towards a consistent inclusion of higher-order perturbative terms in the simulations.
Presented by Dr. Emanuele RE on 5 Jul 2014 at 11:35
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
These processes are important backgrounds to the measurement of the quartic gauge couplings of the Standard Model, to the Higgs signal via vector boson fusion, and to the search for signals of new physics beyond the Standard Model. We present the first calculation of the next-to-leading order QCD corrections to the QCD-induced ZZ production in association with two jets at hadron colliders. ... More
Presented by Dr. Francisco CAMPANARIO on 5 Jul 2014 at 10:40
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present splitting functions in the triple collinear limit at next-to-leading order in the strong coupling. We performed the computation in the context of massless QCD+QED, and consider first collinear processes which include at least one photon. The IR divergent structure of the multi-partonic splitting functions agrees with the Catani's formula. Consistency checks based on symmetry arguments h ... More
Presented by Mr. Germán SBORLINI on 3 Jul 2014 at 11:50
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
PDFs have been an essential ingredient for Run I phenomenology, and will be so even more at the upcoming Run II. Many crucial LHC analysis benefit from improved PDFs, from precision Standard Model measurements, like the W mass determination, and Higgs boson characterization to BSM searches. NNPDF3.0 is the new forthcoming PDF release from the NNPDF Collaboration, a major upgrade that acc ... More
Presented by Dr. Juan ROJO on 4 Jul 2014 at 13:05
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
In the standard model, the fermion masses are provided by Yukawa interactions consistent with the gauge symmetry and with the inclusion of only one scalar doublet. However, the mass spectrum of the quarks exhibit very different mass values, which require unnatural large tuning of the Yulawa parameters without any apparent fundamental reason. In this work we propose a new nonuniversal U(1)´ exten ... More
Presented by Dr. Fredy OCHOA
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
We evaluate the contribution to effective number of relativistic degrees of freedom of extra sterile states at their decoupling temperatures in Type I seesaw models with two and three extra sterile states as a function of the seesaw and the light neutrino mass.
Presented by Ms. Marija KEKIC on 4 Jul 2014 at 17:00
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
Netzwerk Teilchenwelt is a German network of HEP scientists, high school students, and teachers in direct contact with CERN. It aims at sharing the excitement of particle and astroparticle physics research. Scientists from 24 research institutes work with students and teachers to bring cutting edge research to the classroom. Programmes in particle physics and astroparticle physics are offered on f ... More
Presented by Dr. Uta BILOW on 4 Jul 2014 at 09:00
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
Accurate measurements of K, D and B meson mixing amplitudes provide stringent constraints in the Unitary Triangle analysis, as well as useful bounds on New Physics scales. Lattice QCD provides a non perturbative tool to compute the hadronic matrix elements entering in the effective weak Hamiltonian, with errors at a few percent level and systematic uncertainties under control. In this talk, I will ... More
Presented by Dr. Nuria CARRASCO VELA on 4 Jul 2014 at 15:00
Session: Plenary Session
Presented by Dr. Srubabati GOSWAMI on 8 Jul 2014 at 16:00
Session: Plenary Session
Presented by Dr. Marco ZITO on 8 Jul 2014 at 15:30
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Neutrino oscillation experiments have proven that neutrinos are massive particles, nevertheless the assessment of their absolute mass scale is still an outstanding challenge in today particle physics and cosmology. The experiments dedicated to effective electron-neutrino mass determination are the ones based on the study of nuclear processes involving neutrino, like single beta decay and elect ... More
Presented by Dr. Elena FERRI on 4 Jul 2014 at 11:45
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Atmospheric neutrinos have been playing important roles in understanding neutrino properties. In Super-Kamiokande, we have been performing precise measurement of the 2-3 mixing angle and mass squared difference predominantly by muon neutrino disappearance. In addition to that, muon to tau neutrino oscillation channel was established by confirming tau neutrino appearance in the atmospheric neutri ... More
Presented by Masato SHIOZAWA on 4 Jul 2014 at 10:15
Session: Plenary Session
Presented by Prof. Manfred LINDNER on 8 Jul 2014 at 15:00
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
See attached PDF for proper formatting. EXO-200 is one of the most sensitive searches for neutrinoless double beta decay in the world. The experiment uses 175 kg of enriched liquid xenon in an ultralow background time projection chamber installed at the Waste Isolation Pilot Plant, a salt mine with a 1600 m water equivalent overburden. This detector has demonstrated excellent energy resolution ... More
Presented by Prof. Michelle DOLINSKI on 3 Jul 2014 at 11:45
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The LUNA experiment plays an important role in understanding open issue of neutrino physics. As an example, two key reactions of the solar p-p chain $^3He(^3He,2p)^4He$ and $^3He(^4He,\gamma)^7Be$ have been studied at low energy with LUNA, providing an accurate experimental input to the Standard Solar Model and consequently to the study of the neutrino mixing parameters. The LUNA collaboration wil ... More
Presented by Dr. Carlo GUSTAVINO on 5 Jul 2014 at 10:45
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Neutrino beams produced from the decay of muons in a racetrack-like decay ring (the so called Neutrino Factory) provide a powerful way to study neutrino oscillation physics and in addition provide unique beams for neutrino interaction studies. The Neutrinos from STORed Muons (nuSTORM) facility is a neutrino factory-like facility designed for short baseline neutrino oscillation and neutrino intera ... More
Presented by Dr. Jean-Baptiste LAGRANGE on 4 Jul 2014 at 16:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
Neutral particle oscillations have proven to be extremely valuable probes of fundamental physics. Kaon oscillations provided us with our first insight into CP-violation, fast Bs oscillations provided the first indication that the top quark is extremely heavy, B oscillations form the most fertile ground for the continued study of CP-violation, and neutrino oscillations suggest the existence of a n ... More
Presented by Dr. Camille THEROINE on 3 Jul 2014 at 17:05
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
The best way to search for new physics is by using a diverse set of probes - not just experiments at the energy and the cosmic frontiers, but also the low-energy measurements relying on high precision and high luminosity. One example of ultra-precision experiments is MOLLER planned at JLab, which will measure the parity-violating electron-electron scattering asymmetry and allow a determinatio ... More
Presented by Dr. Svetlana BARKANOVA on 5 Jul 2014 at 17:05
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present the final combination of the top-quark mass, Mt , performed by the CDF experiment at the Tevatron collider. The combination includes three recently published and two preliminary results from the CDF Run II data collected at 1.96 TeV center of mass collision energy. The analyses use the full Run II samples of 8.7- 9.3 fb-1 of data. The latter measurements are combined with the CDF ... More
Presented by Jonathan LEWIS on 4 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
A possibility for a neutrino to be an electrically millicharged particle is one of the presently discussed manifestation of physics beyond the Standard Model. Using the new limit on the neutrino anomalous magnetic moment recently obtained by the GEMMA experiment on measurements of the cross section for the reactor antineutrino scattering on free electrons, we get a new direct upper bound on the ... More
Presented by Prof. Alexander STUDENIKIN
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
We propose and investigated a new mechanism of electromagnetic radiation that can be emitted by electrons when they are dipped in dense fluxes of relativistic neutrinos. These studies are based on the obtained exact solution for the electron wave function in presence of relativistic neutrino background. The energy spectrum, rate and power of this radiation are calculated and applications to differ ... More
Presented by Prof. Alexander STUDENIKIN
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We propose a new method to measure the top quark mass at the LHC. This method requires only lepton energy distribution and is basically independent of the production process of the top quarks. With this method, the MSbar mass of the top quark can be determined. We perform a simulation analysis of the top quark mass reconstruction with ttbar pair production and lepton+jets decay channel at the lead ... More
Presented by Ms. Sayaka KAWABATA on 4 Jul 2014 at 12:40
Type: Poster Session: Poster Session
Track: Neutrino Physics
We present a new measurement of the neutrino oscillation parameter $\sin^22\theta_{13}$ derived from two years of data taken with the Double Chooz far detector. This result, drawn from twice the data used in our previous Gadolinium-based analysis, is the most precise Double Chooz measurement to date. Along with increased statistics, the analysis features an improved energy scale, reduced backgroun ... More
Presented by Dr. Pau NOVELLA
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present theoretical predictions for five jet production in proton-proton collisions at next-to-leading order accuracy in QCD. Inclusive as well as differential observables are studied for collision energies of 7 and 8 TeV. In general the next-to-leading order corrections stabilize the theoretical predictions with respect to scale variations. In case of the inclusive jet cross sections, we compa ... More
Presented by Dr. Benedikt BIEDERMANN on 3 Jul 2014 at 12:50
Type: Poster Session: Poster Session
Track: Neutrino Physics
After the experimental confirmation of the non-zero value of $\theta_{13}$, the most useful ansatz for the lepton mixing matrix, the tribimaximal (TBM) mixing matrix, requires deviations coming possibly from the charged lepton sector to take into account the non-zero value of this mixing angle. Then, assuming that the neutrino mixing matrix is diagonalized by the TBM, i.e. $U_{\nu}=U_{TBM}$, we ... More
Presented by Ms. Alma ROJAS
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
It has been known for a long time that large-N methods can give invaluable results into non-perturbative phenomena such as confinement. Lattice techniques can be used to compute quantities at large N. In this talk, I will review some recent large-N lattice results and discuss their implications for our understanding of non-perturbative QCD.
Presented by Prof. Biagio LUCINI on 4 Jul 2014 at 16:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We study the decays of the SM-like Higgs state within the $E_6$ inspired supersymmetric (SUSY) model based on the SM gauge group together with an extra $U(1)_{N}$ gauge symmetry under which right--handed neutrinos have zero charge. To ensure anomaly cancellation and gauge coupling unification the low energy matter content of this SUSY model involves three $27$ representations of $E_6 ... More
Presented by Dr. Roman NEVZOROV on 4 Jul 2014 at 12:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The goal of several ongoing and future direct detection experiments is to discover the dark matter present in our galactic halo in the form of Weakly Interacting Massive Particles (WIMPs). These experiments attempt to isolate from various backgrounds the signal of nuclear recoils from the elastic scattering of WIMPs with the target nuclei inside the detector. The expected signal (for a given flux) ... More
Presented by Dr. Sonja ORRIGO on 3 Jul 2014 at 16:54
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The last pPb run at 5 TeV which took place at CERN LHC provides measurements of the Nuclear Matter (NM) effects at an unprecedented energy, especially for the heavy quark and quarkonium sectors. The comparison of the experimental results to the phenomenological inputs is therefore essential, both to put stringent constrains of their main features and to envision the next most discriminating measur ... More
Presented by Dr. Andry RAKOTOZAFINDRABE on 4 Jul 2014 at 12:10
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The Skyrme Model is low-energy QCD effective field theory from which baryons (and nuclei) emerge as topological solitons. Despite it provides a rather successful description of the nucleons, it overestimates the binding energies in nuclei by at least an order of magnitude. On the other hand Skyrme-like models that nearly saturate the Bogomol'nyi bound seem to provide to a better picture of nuclei ... More
Presented by Prof. Luc MARLEAU
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We consider impact of the recent data obtained by the LHC, Tevatron, and fixed-target experiments on the quark distributions in nucleon with a particular focus on disentangling different quark species. Improved determination of the poorly known strange sea distribution and the sea isospin asymmetry is obtained. The standard candle benchmarks for the Drell-Yan process at the LHC energies are update ... More
Presented by Dr. Sergey ALEKHIN on 4 Jul 2014 at 12:20
Type: Poster Session: Poster Session
Track: Neutrino Physics
Since the measurement of the neutrino mixing parameter theta_13, the determination of the neutrino mass hierarchy has become a central goal of upcoming neutrino physics experiments. A promising pathway to this measurement are atmospheric neutrino experiments probing neutrino oscillation in matter. We present the status of a dedicated feasibility study 'Oscillation Research with Cosmics in the Aby ... More
Presented by Mr. Jannik HOFESTäDT
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
The Higgs sector of the standard model, the Higgs and the W/Z bosons, is a quite peculiar theory. Because of the Higgs effect, for some regions of the quantum phase diagram of the theory the observable particles, i.e. gauge-invariant bound states, have the same mass as the elementary particles. This is what makes perturbation theory in the electroweak sector possible. Under which conditions this h ... More
Presented by Dr. Axel MAAS on 4 Jul 2014 at 17:10
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
Rare beauty meson decays B_s,d to mu+mu- are searched in pp collisions at LHC using a data sample collected by the CMS experiment. These decays are highly suppressed in the standard model. They can only proceed through the flavor-changing neutral currents, which are forbidden at tree-level diagrams. These decays are an excellent probe of new physics: any difference between the measured branching f ... More
Presented by Dr. Nuno LEONARDO on 5 Jul 2014 at 17:15
Type: Poster Session: Poster Session
Track: Neutrino Physics
The Double Chooz experiment measures the neutrino mixing angle θ13 by detecting the reactor electron anti-ν via inverse beta decay. The positron-neutron delayed coincidence yields a sizeable background suppression; a further contribution might come from the development of techniques for an efficient identification of positrons. Pulse shape discrimination, a well-established technique for backgro ... More
Presented by Mr. Alessandro MINOTTI
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The coherent inelastic processes of the type $a --> b$, which may take place in the interaction of hadrons and $\gamma$ quanta with nuclei at very high energies (the nucleus remains the same), are theoretically investigated. For taking into account the influence of matter inside the nucleus, the optical model, based on the conception of the refraction index, is used . Analytical formulas for ... More
Presented by Dr. Valery LYUBOSHITZ
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The IceCube experiment has recently reported the observation of 28 high-energy (> 30 TeV) neutrino events, separated into 21 showers and 7 muon tracks, consistent with an extraterrestrial origin. In this talk we discuss the compatibility of such an observation with possible combinations of neutrino flavors with relative proportion (alpha_e:alpha_mu:alpha_tau). Although the 7:21 track-to-showe ... More
Presented by Dr. Sergio PALOMARES-RUIZ on 5 Jul 2014 at 10:42
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
The phenomenological structure of inclusive cross-sections of the production of two neutral $K$ mesons in hadron--hadron, hadron--nucleus and nucleus--nucleus collisions is theoretically investigated taking into account the strangeness conservation in strong and electromagnetic interactions. Relations describing the dependence of the correlations of two short-lived and two long-lived neutral k ... More
Presented by Dr. Valery LYUBOSHITZ
Type: Poster Session: Poster Session
Track: Education and Outreach
A simulation using a specific code implies many steps, some of its difficult to be accomplished by any user. Therefore, the utilization of the Monte Carlo codes associated with distributed calculus systems, places where the codes can be configured and optimized, is a better way due to the specific features. Taking into account the scientific tasks in different international collaborations in the H ... More
Presented by Calin MARIUS
Type: Oral presentation Session: Formal Theory Developments
Track: Formal Theory Developments
In $N=1$ supergravity (SUGRA) supersymmetric (SUSY) and non-supersymmetric Minkowski vacua originating in the hidden sector can be degenerate. This allows for consistent implementation of the multiple point principle (MPP) assumption. We present no--scale inspired SUGRA model where the MPP assumption is realised at the tree--level without extra fine-tuning. In the supersymmetric phase ... More
Presented by Dr. Roman NEVZOROV on 5 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Recently, a new boson has been discovered at LHC which, so far, fits the properties of the SM Higgs boson. This would make the SM unitary. However, the SM is not the more general low-energy dynamics for the minimal electroweak symmetry breaking sector with three Goldstone bosons and one light scalar. By using the more general low energy effective Lagrangian for these four par ... More
Presented by Mr. Rafael DELGADO LóPEZ
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The two detector concepts for the International Linear Collider, SiD and ILD, were described in the Detailed Baseline Design documents, which are part of the ILC Technical Design Report. These designs represented a large body of work on detector prototyping and physics studies. Together, these studies established the feasibility of constructing these detectors to address the full range of the ILC ... More
Presented by Dr. Taikan SUEHARA on 5 Jul 2014 at 09:00
Type: Poster Session: Poster Session
Track: Neutrino Physics
We present an optimization of the neutrino beam which could be produced at CERN and aimed to the newly proposed deep-underground neutrino observatory LAGUNA-LBNO. The main goals of LAGUNA-LBNO, a next-generation long-baseline neutrino and antineutrino oscillation experiment, are to discover CP-violation in the leptonic sector (CPV) and determine the neutrino mass hierarchy. In particular ... More
Presented by Dr. Silvestro DI LUISE
Presented by Prof. Tatsuya NAKADA on 7 Jul 2014 at 18:00
Type: Poster Session: Poster Session
Track: Accelerator Physics and Future Colliders
As part of the Future Circular Collider study at CERN, the Future e+e- Circular Collider, FCC-ee, (formerly called TLEP) is a new generation collider, able to fit in a 80 to 100km tunnel, and able to deliver high luminosity in up to four interaction points from at least the Z peak to above the top pair threshold. The luminosity at the Z pole, W pair and top threshold are over 2.5, 1.2 10^35 and 1. ... More
Presented by Alain BLONDEL
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
MAGIC is a system of two 17 m diameter Cherenkov telescopes, located at the Observatorio del Roque de los Muchachos, in the Canary island of La Palma (Spain). MAGIC performs astronomical observations of gamma-ray sources in the energy range between 50 GeV and 10 TeV, and is currently the most sensitive instrument below 100 GeV. The fi rst MAGIC telescope has been operating since 2004, and in 2009 ... More
Presented by Dr. Javier RICO on 4 Jul 2014 at 16:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The COMPASS experiment at CERN is one of the leading experiments studying the spin structure of the nucleon. These studies are being carried on since 2002, by measuring hadrons produced in deep inelastic scattering (DIS) of polarised muons off different polarised targets (NH3 for polarised protons and 6LiD for polarised deuterons). One of the main goals is to determine how the total longitudinal s ... More
Presented by Dr. Celso FRANCO on 4 Jul 2014 at 15:00
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
It is known that the parity-odd (P-odd) observables without spin measurements are naive-T-odd at the same time, and the naive-T-odd distributions arise from the absorptive part of the scattering amplitudes. We study the P-odd and naive-T-odd asymmetries at the one-loop level in W+jet production and top-quark radiative decay processes, and their observabilities at collider experiments such as the ... More
Presented by Dr. Hiroshi YOKOYA on 5 Jul 2014 at 17:20
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
Experimental manifestation of P-odd effects related to the vorticity and hydrodynamic helicity in non-central heavy ion collisions at MPD@NICA and BM@N detectors is discussed. For the NICA and FAIR energy range characterised by the large baryonic charge of the forming medium the effect should manifest itself in the specific neutron asymmetries. The polarization of strange particles probing the vor ... More
Presented by Prof. Alexander SORIN
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present recent CMS results related to constrainting parton distribution functions. Results are based in recent jet measurements performed with 2011 data taken at center-of-mass energy of 7 TeV and 2012 data taken at 8 TeV and on associated W+charm production, which probes the strange quark in the proton at leading order. Recent CMS measurements of associated W+charm production and W muon charge ... More
Presented by Dr. Katerina LIPKA on 4 Jul 2014 at 11:50
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
The study of strong interactions and hadron matter in the process of antiproton-proton annihilation seems to be a challenge nowadays. The research of charmonium cc\bar, charmed hybrid cc\bar g and tetraquark (cq(cq\prime)\bar, q and q\prime = u, d, s) spectra and their main characteristics (mass, width, branching ratio) in experiments using high quality antiproton beam with momentum up to 15 GeV/c ... More
Presented by Dr. Mikhail BARABANOV
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a comprehensive set of measurements in d+Au collisions. Observables in d+Au collisions were originally conceived as a control experiment where no quark-gluon plasma is formed and one could isolate so-called cold nuclear matter effects, including nuclear modified parton distributions and parton multiple scattering. However, ... More
Presented by Dr. Chin-Hao CHEN on 4 Jul 2014 at 10:40
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured a suite of observables for open and closed heavy flavor in a variety of collision systems, p+p, d+Au, Cu+Cu, Au+Au, U+U, and at different beam energies. These results indicate substantial modification in the yields of quarkonia, including J/Psi, Psi', and Upsilon states, and a substantial redistribution in momentum spac ... More
Presented by Dr. Richard HOLLIS on 4 Jul 2014 at 11:30
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The Precision IceCube Next Generation Upgrade (PINGU) is a proposed IceCube in-fill array designed to measure the neutrino mass hierarchy using atmospheric neutrino interactions in the ice at the South Pole. PINGU will have a neutrino energy threshold of a few GeV with a multi-megaton effective volume. We present PINGU's expected sensitivity to the hierarchy with an optimized geometry and with c ... More
Presented by Dr. Kenneth CLARK on 4 Jul 2014 at 10:30
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
POLARBEAR-2 (PB-2) is a new receiver system that will be deployed on the Simons Array telescope platform in early 2015 alongside the current observing POLARBEAR-1 receiver for Cosmic Microwave Background (CMB) polarization measurements. The science goals of PB-2 are to characterize the B-mode (curl component) signal both at large and small angular scales with unprecedented precision. T ... More
Presented by Dr. MASAYA HASEGAWA
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
Experiments at the Large Hadron Collider (LHC) face unprecedented computing challenges. Heterogeneous resources are distributed worldwide, thousands of physicists analyzing the data need remote access to hundreds of computing sites, the volume of processed data is beyond the exabyte scale, and data processing requires more than a billion hours of computing usage per year. The PanDA (Production and ... More
Presented by Kaushik DE on 4 Jul 2014 at 17:15
Type: Poster Session: Poster Session
Track: Flavour Physics
We propose a new method, using the Andreev reflection at superconductors, to measure parity violation induced by the standard electroweak theory, which in turn constrain the possible parity-violating effect of new physics. The weak neutral currents induce parity-violating, marginal effective operators, though quite tiny, in superconductors. We estimate their effects on supercon- ducting gaps and p ... More
Presented by Prof. Deog-Ki HONG
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The Imaging Time-of-Propagation (iTOP) Chrenkov ring-imaging detector is a particle identification system designed for use in the barrel region of the Belle II spectrometer. The system detects Cherenkov photons produced by charged particles passing through one of 16 quartz bars arranged in a barrel around the inner tracking detectors. An array of 32 pixelated micro-channel plate photomultipliers ( ... More
Presented by Dr. Brian KIRBY on 4 Jul 2014 at 17:05
Type: Poster Session: Poster Session
Track: Education and Outreach
In recent years various educational activities have been pursued in Hungary with the aim to raise the interest of high school students in natural sciences, and especially in physics. Our poster will present some of the key projects of broader interest for the scientific community: Hungarian Teachers Programme: In 2006 we organized the first National Teachers Programme at CERN which since then ex ... More
Presented by Mr. Tamas Almos VAMI
Type: Poster Session: Poster Session
Track: Detector RD and Performance
ATLAS has implemented and commissioned many new jet substructure techniques to aid in the identification and interpretation of hadronic final states originating from Lorentz-boosted heavy particles produced at the LHC.  These techniques include quantum jets, jet charge, jet shapes, quark/gluon, boosted boson and top quark tagging, along with grooming methods such as pruning, trimming, and filter ... More
Presented by James LACEY
Type: Poster Session: Poster Session
Track: Detector RD and Performance
Advanced missing transverse momentum reconstruction algorithms have been developed by CMS to mitigate the effect of pileup. The performance of different missing transverse momentum reconstruction algorithms is compared in pp collision data recorded at a center-of-mass energy of $\sqrt{s} = 8$~TeV, corresponding to an integrated luminosity of $19.6$~fb$^{−1}$. Further algorithms have been develop ... More
Presented by Mr. Saranya GHOSH
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The CALICE collaboration has developed highly granular calorimeter prototypes to evaluate technologies for experiments at a future lepton collider optimized for particle flow event reconstruction. These technologies include electromagnetic calorimeters with tungsten absorbers and silicon or scintillator active elements, and hadronic calorimeters with steel and tungsten absorbers with scintillator ... More
Presented by Dr. MaryCruz FOUZ on 3 Jul 2014 at 15:35
Type: Poster Session: Poster Session
Track: Detector RD and Performance
This poster describes the performance of the shower deconstruction algorithm, a jet tagging algorithm, using proton-proton collisions at a centre of mass energy of sqrt{s} = 8 TeV. Data recorded with the ATLAS detector corresponding to an integrated luminosity of 14.2 f-1 are considered. Using small-radius jets to probe the substructure of a large-radius jet, shower deconstruction assigns a pr ... More
Presented by Nicolas-Gilberto GUTIERREZ-ORTIZ
Type: Poster Session: Poster Session
Track: Detector RD and Performance
This talk presents the muon reconstruction algorithms used in ATLAS during the LHC run-1 and their performances in terms of efficiency, muon momentum scale and resolution. These performances have been measured using large calibration samples of $J/\psi$, $\Upsilon$ and $Z$ decays, which allow to control the systematic uncertainties on efficiency and on momentum scale at the per-mille level. Correc ... More
Presented by Dimitrios KYRIAZOPOULOS
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The performance of the reconstruction, calibration and identification electrons and photons with the ATLAS detector at the LHC is a key component to realize the ATLAS full physics potential, both in the searches for new physics and in precision measurements. For instance, they all played a critical role in the discovery of a Higgs boson, announced by the ATLAS Collaboration in 2012, and in th ... More
Presented by Jean-Baptiste BLANCHARD on 3 Jul 2014 at 12:40
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
I consider a general two-Higgs-doublet model with CP violation. I give a perturbative expansion for the mass eigenstates in terms of the small CP-violating phase. I use these analytical expressions to show that O(0.01) CP violation is allowed by the experimental bounds on the electron electric dipole moment in some regions of the parameter space. These regions also include parameters that are expe ... More
Presented by Ms. Seyda IPEK on 5 Jul 2014 at 16:40
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
Phantom of the Universe is a planetarium show premiering late summer 2014 that will showcase an exciting exploration of dark matter, from the Big Bang to the Large Hadron Collider. The show will reveal the first hints of its existence through the eyes of Fritz Zwicky. Viewers will marvel at the astral choreography witnessed by Vera Rubin in the Andromeda galaxy. They will plummet deep undergroun ... More
Presented by Dr. Michael BARNETT on 3 Jul 2014 at 13:15
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The LHC machine is planning an upgrade program which will smoothly bring the luminosity up to or above 5×10^34 cm−2s−1 sometimes after 2020, to possibly reach an integrated luminosity of 3000 fb−1 at the end of that decade. In this ultimate scenario, called Phase2, when LHC will reach the High Luminosity (HL-LHC) phase, CMS will need a completely new Tracker detector, in order to fully expl ... More
Presented by Dr. Stefano MERSI on 5 Jul 2014 at 16:35
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
In preparation for Run 2 (2015) and Run 3 of the LHC (2019), the CMS hadron calorimeter has begun a series of ambitious upgrades. These include new photodetectors in addition to improved front-end and back-end readout electronics. In the hadron forward calorimeter, the existing photomultiplier tubes are being replaced with thinner window, multi-anode readout models, while in the central region, th ... More
Presented by Seth COOPER on 3 Jul 2014 at 16:35
Type: Poster Session: Poster Session
Track: Strong Interactions and Hadron Physics
We will review our recent studies on a number of BFKL related projects in QCD and N = 4 SYM by using advanced Monte Carlo techniques. We will discuss the new setup of our code as a Monte Carlo tool that produces theoretical predictions ready to be directly compared against experimental data in order to perform a number of important phenomenological studies at the LHC
Presented by Dr. Grigorios CHACHAMIS
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Isolated prompt photons provide a direct probe of short-distance physics, complementary to that provided by measurements of jets or vector-bosons. The data are sensitive to the gluon density of the proton.  The inclusive prompt photon cross sections have been measured over a wide range of transverse momenta; the diphoton cross section has also been measured as a function of diphoton mass, total t ... More
Presented by Dr. Lily ASQUITH on 4 Jul 2014 at 10:50
Session: Plenary Session
Presented by Dr. Marcela CARENA on 7 Jul 2014 at 12:45
Type: Poster Session: Poster Session
Track: Neutrino Physics
The upcoming Iron Calorimeter (ICAL) detector at the India-based Neutrino Observatory (INO) cavern aims to explore the Earth's matter effect by observing the energy and zenith angle dependence of the atmospheric neutrinos in the multi-GeV range. Due to its charge identification capability using a magnetic filed, the ICAL detector can study neutrino and anti-neutrino events separately. The design o ... More
Presented by Prof. Sanjib Kumar AGARWALLA
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The CMS collaboration considers upgrading the muon forward region with Gas Electron Multiplier (GEM) chambers, which are able to handle the extreme particle rates expected in this region along with a high spatial resolution. This allows to combine tracking and triggering capabilities, resulting in a lower trigger threshold along with improved muon identification and the track reconstruction. In th ... More
Presented by Raffaella RADOGNA
Session: Plenary Session
Presented by Dr. Marumi M. KADO on 7 Jul 2014 at 10:45
Session: Plenary Session
Presented by Dr. André DAVID on 7 Jul 2014 at 11:15
Session: Plenary Session
Presented by Prof. Christophe GROJEAN on 7 Jul 2014 at 11:45
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The Cherenkov Telescope Array (CTA) is the next generation observatory for ground-based gamma-ray astronomy. Current instruments (HESS, MAGIC and VERITAS) have made huge progress in the observation of cosmic sources of photons in the ~ 50 GeV to ~ 50 TeV energy range using Imaging Atmospheric Cherenkov Telescopes (IACTs). CTA will extend the range of these observations at both low and high energie ... More
Presented by Prof. Tim GREENSHAW on 4 Jul 2014 at 17:10
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Evidence for the onset of deconfinement in central Pb+Pb collisions was reported by NA49 in fixed target measurements at beam momentum 30A GeV/c. This observation motivated the NA61/SHINE program started in 2009 at CERN SPS, which, in particular, aims to study properties of the onset of deconfinement by measurements of hadron production in proton-proton, proton-nucleus and nucleus-nucleus col ... More
Presented by Mr. Antoni ADUSZKIEWICZ on 4 Jul 2014 at 10:20
Type: Poster Session: Poster Session
Track: Astroparticle Physics and Cosmology
We study the scenario where dark matter corresponds to a set of pseudo-Goldstone bosons, that we call dark pions, generated by the spontaneous breaking of a symmetry in the dark sector, and show that one can accommodate studied experimental and theoretical constraints in wide regions of parameter space.
Presented by Blazenka MELIC
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
The charged Higgs boson is quite common in many new physics models. In this study we examine the potential of observing a heavy charged Higgs boson in its decay mode of top-quark and bottom-quark in the Type-II Two-Higgs-Doublet-Model. In this model, the chirality structure of the coupling of charged Higgs boson to the top- and bottom-quark is very sensitive to the value of \tan\beta. As the polar ... More
Presented by Prof. Shou-hua ZHU on 5 Jul 2014 at 17:15
Session: Plenary Session
Presented by Dr. Eleonora PRESANI on 9 Jul 2014 at 08:30
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The very forward region of the detector at a future linear collider will be instrumented with two sampling calorimeters - BeamCal and LumiCal - for fast beam parameter estimates, precise luminosity measurements, as well as for the improvement of the hermeticity of the detector at small angles. These very forward calorimeters are designed to sustain high radiation doses and deliver precise and valu ... More
Presented by Prof. Ivanka BOZOVIC JELISAVCIC on 5 Jul 2014 at 10:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We present a new precise method to extract the QCD coupling constant alpha_s from the energy evolution of the moments of the parton-to-hadron fragmentation functions measured in e+e- annihilation and DIS e-p collisions. The evolution of the moments (multiplicity, peak, width, skewness) of the low momentum charged-hadron distribution in jets is computed at NMLLA+NLO accuracy and compared to the exp ... More
Presented by Dr. David D'ENTERRIA on 5 Jul 2014 at 10:50
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Using the high mass resolution channels H -> gamma gamma and H -> ZZ > 4 leptons, where the leptons are electrons or muons, a precise measurement of the Higgs boson mass is obtained. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5/fb and 20/fb, respectively. The results together with strategy of the measu ... More
Presented by Mr. Sani MATTEO on 3 Jul 2014 at 12:35
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
As part of the Future Circular Collider study at CERN, the Future e+e- Circular Collider, FCC-ee, (formerly called TLEP) is a new generation collider, able to fit in a 80 to 100km tunnel, and able to deliver high luminosity in up to four interaction points from at least the Z peak to above the top pair threshold. The luminosity at the Z pole and W pair threshold are over 2.5 and 1.2 1035/cm2/s ... More
Presented by Roberto TENCHINI on 5 Jul 2014 at 16:35
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
We present precision lattice calculations for the decay constants of the D and B sector as well as determinations of the charm and b quark mass values. Heavy flavour lattice computations are indispensable for SM accuracy tests and may serve as discovery tools for new physics. We use Nf=2+1+1 dynamical quark gauge configurations generated by European Twisted Mass Collaboration. We use data at thr ... More
Presented by Dr. Petros DIMOPOULOS on 4 Jul 2014 at 15:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
While the current 7/8 TeV results form the LHC excludes highly constrained SUSY models with a light sparticle spectrum, less constrained models are still viable. Certain such models promise both discovery of coloured sparticles during the 14 TeV run of the LHC, and a rich spectrum of non-coloured states, accessible at the ILC. LHC might or might not give a hint to the existence of these electro-we ... More
Presented by Dr. Jenny LIST
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Please see attached file.
Presented by Alexander HIMMEL on 3 Jul 2014 at 15:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
To study the properties of elusive atmospheric neutrinos, the India-based Neutrino Observatory (INO) has been planned to be set up at Theni (Tamil Nadu), South India. INO will host a 50 ktons magnetized Iron CALorimeter (ICAL) detector for the determination of neutrino mass and mixing parameters which is one of the important issues for the leptonic sector in today’s particle physics. The detecto ... More
Presented by Ms. DALJEET KAUR
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The search for electroweak superpartners has recently moved to the centre of interest at the LHC. We provide the currently most precise theoretical predictions for these particles at NLO+NLL, use them to assess the precision of parton shower simulations, and reanalyse public experimental results assuming more general decompositions of gauginos and sleptons.
Presented by Prof. Michael KLASEN on 3 Jul 2014 at 12:35
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The dark matter relic density has been measured by PLANCK and its predecessors with an accuracy of about 2%. We present theoretical calculations with DM@NLO in NLO SUSY QCD and beyond, which allow to reach this precision for gaugino and squark (co-)annihilations, and use them to scan the phenomenological MSSM for viable regions, applying also low-energy, electroweak and hadron collider constraints ... More
Presented by Prof. Michael KLASEN on 3 Jul 2014 at 16:00
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
Recent results and prospects for precision tests of the Standard Model in kaon decay in flight experiments at CERN are presented. A measurement of the ratio of leptonic decay rates of the charged kaon at a 0.4% precision constrains the parameter space of new physics models with extended Higgs sector, a fourth generation of quarks and leptons or sterile neutrinos. Searches for heavy neutrino mass ... More
Presented by Dr. Gianluca LAMANNA on 4 Jul 2014 at 13:10
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
The CMS Collaboration is preparing for a public release up to a half of the reconstructed collision data collected in 2010, in accordance with its commitment to open access and data preservation. Efforts are at present focused on the usability of the data in education. The data will be accompanied by example applications tailored for different levels –– including ready-to-use web-based applica ... More
Presented by Dr. Thomas MCCAULEY on 3 Jul 2014 at 12:00
Presented by Carolina GóMEZ-ZARZUELA IRIGOYEN on 5 Jul 2014 at 18:00
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
We present results for the production of primary heavy quarks in final state jets, as well as secondary radiation of heavy quark pairs related to gluon splitting. We focus in the thrust and C-parameter distributions for e+e- collisions. The results are given in the dijet limit where the hard interaction scale and the scales related to collinear and soft radiation are widely separated. In this limi ... More
Presented by Dr. Vicent MATEU
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The three-body charmless hadronic decay B0s -> K0SKpi provides a number of novel possibilities to search for CP violation effects and test the Standard Model of particle physics. These include model-dependent and model-independent comparisons of the Dalitz plot distributions of the decay-time-integrated K0SK+pi- and K0SK-pi+ final states, decay-time-dependent (but without initial state flavou ... More
Presented by Mr. Rafael SILVA COUTINHO on 4 Jul 2014 at 12:30
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
We study the anomalous production of a single top quark in association with a Higgs boson at the LHC originating from flavor changing neutral current (FCNC) interactions in tqg and tqH vertices. We derive the discovery potentials and 68% C.L. upper limits considering leptonic decay of the top quark and the Higgs boson decay into a bb¯ pair with 10 fb−1 integrated luminosity of data in proton-pr ... More
Presented by Dr. Mojtaba MOHAMMADI NAJAFABADI
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The Unitarity Triangle (UT) analyses within and beyond the SM are powerful tools to summarise the state of the art and explore the possibilities for future new physics (NP) searches. We present the update of the Unitarity Triangle analysis in a scenario beyond the Standard Model. Combining all available experimental and theoretical information on DF=2 processes and using a model-independent ... More
Presented by Dr. Denis DERKACH on 4 Jul 2014 at 09:20
Session: Plenary Session
Presented by Dr. Chiara RODA on 8 Jul 2014 at 12:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The clean environment of e+e- annihilation at the center-of-mass energy of about 10 GeV allows precise studies of several aspects of hadron production both in exclusive and inclusive processes. Precise measurement of exclusive e+e- -> hadrons cross sections are needed to improve the theory prediction of the muon anomalous magnetic moment, and for shedding light on the current ~3.5 sigma differ ... More
Presented by Dr. Vladimir DRUZHININ on 3 Jul 2014 at 16:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The production cross section of highly boosted vector bosons (V = W, Z) recoiling against jets is studied, with CMS data, differentially as function of the transverse momentum and angular correlations of the final state particles. The mechanism of production of heavy-flavoured mesons, containing b or c quarks, in association with vector bosons, W or Z, in the Standard Model is only partially under ... More
Presented by Dr. Fabio COSSUTTI on 4 Jul 2014 at 10:15
Session: Plenary Session
Presented by Prof. Aida X EL-KHADRA on 8 Jul 2014 at 13:00
Type: Oral presentation Session: Lattice QCD
Track: Lattice QCD
I would like to present current progress of lattice calculation of muon g-2 for light-by-light contribution. We forcus on the lattice calculation of non-perturbative contribution to neutral pion to two-photon decay transition form factor in light-by-light diagram. In this talk I will also compare with the direct computation in QED+QCD lattice simulation.
Presented by Dr. Eigo SHINTANI on 5 Jul 2014 at 12:30
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
If used in the fixed-target mode, the multi-TeV LHC beams will allow the most energetic fixed-target experiments ever performed, including studies of high precision pp, pd and pA collisions at sqrt(s_NN) ~ 115 GeV as well as Pb-p and PbA collisions at sqrt(s_NN) ~ 72 GeV. In particular, AFTER@LHC -- for A Fixed-Target ExperRiment -- can greatly complement [1] existing collider experiments, in part ... More
Presented by Dr. Andry RAKOTOZAFINDRABE on 3 Jul 2014 at 13:10
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
We study the photoproduction of isolated prompt photons associated with jets in the framework of the parton Reggeization approach. The data on pseudorapidity and transverse momentum distributions of the photon and jet, obtained by H1 and ZEUS Collaborations at DESY HERA, are described with the good accuracy, as well, as the data on azimuthal decorrelation variables. The main improvements of th ... More
Presented by Mr. Maxim NEFEDOV on 4 Jul 2014 at 16:00
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The discovery of a particle consistent with a Higgs Boson is a great success for the LHC Physics Program. Using the full 25 fb Run I dataset, ATLAS has established a clear excess of signal over background in the di-photon channel alone. In this poster, we will present properties measurements of the new particle in the H->gamma gamma analysis which relies on a new calibration of photon energy and o ... More
Presented by Dr. Yanping HUANG
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Discovering new physics beyond the Standard Model is a primary goal of research at the LHC. Recent searches by ATLAS and CMS, using data taken at a centre-of-mass energy of 8 TeV, have already probed a considerable fraction of the parameter space for a wide variety of models. The discovery reach is expected to be considerably extended at higher energy. The high-luminosity phase of upgraded ... More
Presented by Dr. Frederik RUEHR on 5 Jul 2014 at 12:15
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Aspects of the Supersymmetry & other BSM search programme for the High Luminosity LHC are discussed. These include the expected discovery reach for strongly and weakly interacting Susy particles. We also discuss some example measurements the HL-LHC will allow if evidence of new physics is found during Run 2 or Run 3 of the LHC.
Presented by Dr. Lesya SHCHUTSKA on 5 Jul 2014 at 12:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The Compact Linear Collider (CLIC) is an attractive option for a future multi-TeV linear electron-positron collider. A staged construction in several centre-of-mass energy steps from a few hundred GeV up to 3 TeV is foreseen. At high energies, CLIC provides sensitivity to a wide range of phenomena beyond the Standard Model through direct observation of new particles and precision measurements. A ... More
Presented by Dr. Philipp ROLOFF on 5 Jul 2014 at 13:00
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The LHeC is a proposed facility at CERN that will provide ep collisions with centre-of-mass energies above 1 TeV and a high luminosity of $O($ab$?1)$. This facility will provide a unique opportunity to study the $WW\to H$ and $ZZ\to H$ production modes. Several decay channels - such as $H\to b \bar b$, $H\to c \bar c$ and $H \to \tau^+ \tau^-$ - that are difficult to study precisely at the LHC bec ... More
Presented by Uta KLEIN
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Projections for the expected performance of an upgraded CMS detector are presented for various Higgs property measurements planned for the high luminosity running period of the LHC.
Presented by Dr. Seth Conrad ZENZ on 5 Jul 2014 at 15:00
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The rare decays K+ ->pi+ nu nu are excellent processes to make tests of new physics at the highest scale complementary to LHC thanks to their theoretically cleaness. The NA62 experiment at CERN SPS aims to collect of the order of 100 events in two years of data taking, keeping the background at the level of 10%. Part of the experimental apparatus has been commissioned during a technical run in 2 ... More
Presented by Dr. Antonino SERGI on 5 Jul 2014 at 09:00
Type: Oral presentation Session: Accelerator Physics and Future Colliders
Track: Accelerator Physics and Future Colliders
High energy photon colliders (γγ,γe) based on Compton scattering of laser photons on high energy electrons are considered for many years as a natural option for e+e- linear colliders. Photon colliders can study New Physics at energies and statistics similar to those in e+e−collisions—but in different reactions. In some cases, photon colliders provide access to higher masses or allow the stu ... More
Presented by Prof. Valery TELNOV on 5 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
We discuss new results connected with more detail structure of the pseudorapidity spectra of charged relativistic particles with β > 0.7 produced in Si (at energy 4 A GeV and 14 A GeV), Au (at energy 11.6 A GeV) and Pb+Em (at energy 158 A GeV) reactions. The relativistic nucleus beams were obtained from AGS and SPS machines. The pseudorapidity spectra were analyzed using Maximum Entropy Methods. ... More
Presented by Mrs. Shahla KHALILOVA
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
We present a rigorous theoretical analysis of the ALICE measurement of low-p_T direct-photon production in central lead-lead collisions at the LHC with a centre-of-mass energy of \sqrt{s_{NN}}=2.76 TeV. Using NLO QCD, we compute the relative contributions to prompt-photon production from different initial and final states and the theoretical uncertainties coming from independent variations of the ... More
Presented by Prof. Michael KLASEN on 5 Jul 2014 at 16:20
Session: Plenary Session
Presented by Prof. Paolo NASON on 8 Jul 2014 at 11:30
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I review the current status of higher-order calculations in perturbative QCD, with special regards to recent developments, and process of interest for physics at the LHC.
Presented by Dr. Claude DUHR on 3 Jul 2014 at 11:00
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The B factories provide a unique playground for studying the properties of conventional and exotic quarkonium states which are produced through various mechanism. We report on a variety of recent results obtained using the full data set collected with the BABAR detector at the PEPII e+e- collider. In particular, we present measurements of the prompt production of J/psi or psi(2S) in associa ... More
Presented by Mrs. Elisa FIORAVANTI on 3 Jul 2014 at 15:45
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
Studies of quarkonium and quarkonium-like states have led to several surprises in understanding the strong interaction phenomena. Most notably, exotic resonances that cannot be accommodated with the conventional quarkonium pictures including $X(3872)$, $Z_c(4430)^\pm$, $Z_b(10610)^\pm$ and $Z_b(10650)^\pm$ have been discovered by Belle. In this presentation, we report recent results from Belle ... More
Presented by Dr. Pavel KROKOVNY on 3 Jul 2014 at 15:30
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
MINERvA (Main INjector Experiment for v-A) has recently measured neutrino and antineutrino quasi-elastic cross-sections on plastic (CH) scintillator. These results will provide insight into neutrino and anti-neutrino cross sections off of nuclear targets which are important for neutrino oscillation experiments and the probing of the nuclear medium. We will focus on these results and how they compa ... More
Presented by Dr. Heidi SCHELLMAN on 5 Jul 2014 at 09:15
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
We discuss some nuclear e ects, RPA correlations and 2p2h (multinucleon) mechanisms, on charged-current neutrino-nucleus reactions that do not produce a pion in the nal state. We study a wide range of neutrino energies, from few hundreds of MeV up to 10 GeV. We also examine the in uence of 2p2h mechanisms on the neutrino energy reconstruction.
Presented by Dr. Juan M NIEVES on 5 Jul 2014 at 09:00
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
The Pierre Auger Observatory is the largest extensive air shower detector, covering 3000 km² in Argentina. The observatory makes available, for educational and outreach purposes, 1% of its cosmic ray data set, which after 10 year of running corresponds to more than 30000 cosmic ray events. Several different proposals of educations activities have been developed within the collaboration and are av ... More
Presented by Dr. Sofia ANDRINGA on 3 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Detector RD and Performance
The very forward region of the detector at a future linear collider will be instrumented with two sampling calorimeters - BeamCal and LumiCal - for fast beam parameter estimates, precise luminosity measurements, as well as for the improvement of the hermeticity of the detector at small angles. These very forward calorimeters are designed to sustain high radiation doses and deliver precise and valu ... More
Presented by Prof. Ivanka BOZOVIC JELISAVCIC
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
We calculate one-loop corrected Yukawa coupling constants hff for the standard model (SM) like Higgs boson h in two Higgs doublet models with the softly-broken $Z_2$ symmetry. Under the $Z_2$ symmetry, four types of models with different Yukawa interactions appear. We find that one-loop contributions from extra Higgs bosons change maximally about several % from tree level hff couplings under the c ... More
Presented by Ms. Mariko KIKUCHI on 5 Jul 2014 at 12:50
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
In the inverse seesaw, the smallness of the neutrino masses is related to the smallness of a lepton number violating mass term whilst the seesaw scale is naturally close to the TeV. This allows for large effects in lepton flavor and universality violating observables as was previously demonstrated. With the ongoing and planned measurements of the Higgs boson properties at the LHC, we found timely ... More
Presented by Dr. Ernesto ARGANDA on 4 Jul 2014 at 11:50
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
Ultra-high energy (UHE, >10^18 eV) cosmic neutrinos are anticipated to reveal the most distant, most obscured, and highest energy particle accelerators in the Universe. An almost guaranteed flux of UHE neutrinos is predicted from the interactions of UHE cosmic rays with the cosmic microwave background, and additional contributions may arise from prompt emission at individual sources. The spectrum ... More
Presented by Keith BECHTOL on 5 Jul 2014 at 12:18
Session: Plenary Session
Presented by Dr. Johannes ALBRECHT on 8 Jul 2014 at 08:30
Type: Poster Session: Poster Session
Track: Neutrino Physics
The purpose of Double-Chooz reactor neutrino experiment is a precision measurement of the mixing angle theta13. A crucial item of this analysis is the thorough investigation of the different backgrounds found in the detector: neutrino coincidence signals are imitated by accidental coincidences of single events and by correlated events induced by cosmic muons, including stopped muons, fast neutrons ... More
Presented by Mr. José Mariano LóPEZ
Type: Poster Session: Poster Session
Track: Detector RD and Performance
Si-strips are the baseline for the forward tracker detector (FTD) of the International Linear Detector (ILD). The main element of the front-end (FE) electronics is a multi-channel System-on-Chip (SoC) for self-triggered detection and processing of low level charge signals. The architecture used in this chip is very similar to the typical structure of a silicon strip readout system presented in pre ... More
Presented by Dr. Oscar ALONSO
Type: Poster Session: Poster Session
Track: Detector RD and Performance
In high-energy physics experiments on hadron colliders, online selection is crucial to reject most uninteresting collisions. In particular, the ATLAS experiment includes b-jet selections in its trigger strategy, in order to select final states with heavy-flavor content and enlarge its physics potentials. Dedicated selections are developed to quickly identify fully hadronic final states containing ... More
Presented by Daniele MADAFFARI
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
VERITAS is a ground-based gamma-ray observatory consisting of an array of four atmospheric Cherenkov telescopes located in southern Arizona, USA. VERITAS carries out an extensive observation program of the gamma-ray sky at energies above 0.1 TeV. Observations of Galactic and extragalactic sources in the TeV band are sensitive probes of the highly energetic processes occurring in these objects. Obs ... More
Presented by Prof. Reshmi MUKHERJEE on 4 Jul 2014 at 16:50
Type: Oral presentation Session: Flavour Physics
Track: Flavour Physics
The KLOE experiment at the DA$\Phi$NE $\phi$-factory of the INFN Frascati Laboratory collected data corresponding to 2.5 fb$^{−1}$ of integrated luminosity. Neutral kaon pairs produced in phi-meson decays offer a unique possibilità to perform tests of fundamental discrete symmetries. The entanglement of the two kaons is exploited to search for possible violation of CPT symmetry and Lorentz ... More
Presented by Dr. eryk CZERWINSKI on 5 Jul 2014 at 10:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The discovery of cosmic neutrinos of astrophysical origin by IceCube has started a new chapter in the field of Neutrino Astronomy and has officially initiated the neutrino era in high-energy astrophysics. Noticeably, a small accumulation of events in the region near the Galactic Centre has been observed: a telescope in the Mediterranean Sea constitutes a great opportunity for the physics quest, si ... More
Presented by Dr. Giulia DE BONIS on 5 Jul 2014 at 09:18
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
Measurements of low-pT (< 5 GeV) particle production have provided valuable insight on the production and evolution of the quark-gluon plasma in Pb+Pb collisions at the LHC. In particular, measurements of elliptic and higher order collective flow imprinted on the azimuthal angle distributions of low-pT particles directly probe the strongly-coupled dynamics of the quark-gluon plasma and test hydrod ... More
Presented by Prof. Mariusz PRZYBYCIEN on 4 Jul 2014 at 09:40
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The DAMA/LIBRA set-up (about 250 kg highly radiopure NaI(Tl)) is running at the Gran Sasso National Laboratory of the I.N.F.N.. This experiment is mainly dedicated to the investigation of Dark Matter (DM) particles in the galactic halo by exploiting the model independent DM annual modulation signature. In its first phase DAMA/LIBRA has collected data over 7 annual cycles corresponding to an e ... More
Presented by Dr. Riccardo CERULLI on 4 Jul 2014 at 10:16
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
ICARUS is the largest liquid Argon TPC detector ever built (~600 ton LAr mass). It was smoothly operated underground at the LNGS laboratory in Gran Sasso since summer 2010, up to june 2013, collecting data with the CNGS beam and with cosmics. Liquid argon TPCs are really ``electronic bubble chambers'' providing a completely uniform imaging and calorimetry with unprecedented accuracy on massive ... More
Presented by Alessandro MENEGOLLI on 4 Jul 2014 at 15:15
Type: Poster Session: Poster Session
Track: Neutrino Physics
The T2K near detector complex, ND280, is located at the JPARC accelerator facility in Tokai, Japan, 280 meters downstream from the target. This poster will summarize recent physics results from ND280.
Presented by Leila HAEGEL
Type: Poster Session: Poster Session
Track: Heavy Ion Physics
The exploration of the phase diagram of strongly interacting matter particularly the search for a critical endpoint, is one of the most challenging tasks in present heavy ion physics. The existence of the critical point is expected to result in large event-by-event fluctuations of many observables of produced particles, provided the freeze-out occurs close to its location in the phase di ... More
Presented by Dr. Grzegorz STEFANEK
Type: Poster Session: Poster Session
Track: Detector RD and Performance
Progress in experimental particle physics in the coming decade depends crucially upon the ability to carry out experiments at high energies and high luminosities. These two conditions imply that future experiments will take place in very high radiation areas. In order to perform these complex and perhaps expensive experiments new radiation hard technologies will have to be developed. Chemical Vapo ... More
Presented by William TRISCHUK
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
The recent results on e+e- ->hadrons cross section obtained with the SND and CMD3 detectors at the VEPP-2000 collider in the energy range up to 2 GeV are presented. The following processes were studied: e+e- ->pi+pi-, K+K-, pi+pi-pi0, pi+pi-pi0pi0, eta pi+pi-, omega eta, eta gamma, etc. The results on measured cross sections are important from the point of view of their contribution to ... More
Presented by Dr. Tatyana DIMOVA on 3 Jul 2014 at 16:45
Presented by Harry WEERTS, Prof. Jie GAO, Francois LE DIBERDER, Lenny RIVKIN on 6 Jul 2014 at 14:40
Presented by Prof. Mitsuaki NOZAKI on 7 Jul 2014 at 18:30
Type: Oral presentation Session: Heavy Ions
Track: Heavy Ion Physics
We discuss the role of the U(1) axial symmetry for the scalar and pseudoscalar meson mass spectrum of QCD at finite temperature, above the chiral transition at T_c, using a chiral effective Lagrangian model, which, in addition to the usual chiral condensate, also includes a (possible) genuine U(1)_A-breaking condensate that (possibly) survives across the chiral transition. The motivations for cons ... More
Presented by Dr. Enrico MEGGIOLARO on 5 Jul 2014 at 12:50
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
This poster presents a search for excited quarks (q*) decaying into a γ + jet final state at √s = 8 TeV with the CMS experiment, using the dataset corresponding to an integrated luminosity of 19.7 fb−1 collected during 2012 data taking at the LHC. Photons and jets with high transverse momentum are selected to search for a resonance peak in the γ + jet invariant mass distribution. The 95% con ... More
Presented by Dr. Varun SHARMA
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The Telescope Array (TA) is the largest ultrahigh energy cosmic ray detector in the northern hemisphere. The experiment consists of three fluorescence stations viewing the air space over a surface array of 503 scintillation counters deployed over 700 square kilometers. TA has been in operation since 2008. The most recent results from TA, including that of composition studies and search for arr ... More
Presented by Prof. Charles JUI on 5 Jul 2014 at 15:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
LUX (Large Underground Xenon) is a dark matter direct detection experiment deployed at the 4850' level of the Sanford Underground Research Facility (SURF) in Lead, SD, operating a 370 kg dual-phase xenon TPC. We have recently published the results of the first WIMP search run, presenting the analysis of 85.3 live-days with a fiducial volume of 118 kg, taken during the period of April to August 201 ... More
Presented by Carmen CARMONA on 4 Jul 2014 at 09:00
Type: Poster Session: Poster Session
Track: Neutrino Physics
The “Neutrino Experiment with a Xenon TPC” (NEXT) is intended to investigate the neutrinoless double beta decay using a high-pressure xenon gas TPC filled with Xe enriched in 136Xe and therefore demands extremely low background levels. An extensive screening and material selection process is underway for several years to help in the design of the set-up and in the construction of the experimen ... More
Presented by Dr. Theopisti DAFNI
Session: Plenary Session
Presented by Dr. Frank WUERTHWEIN on 7 Jul 2014 at 12:15
Type: Oral presentation Session: Strong Interactions and Hadron Physics
Track: Strong Interactions and Hadron Physics
I review recent developments in resummation in perturbative QCD, with special regards to its application to the computation of observables involving jets and jet vetos.
Presented by Dr. Pier MONNI on 4 Jul 2014 at 09:00
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
We use our resummed quantum gravity approach to Einstein's general theory of relativity in the context of the Planck scale cosmology formulation of Bonanno and Reuter to estimate the value of the cosmological constant as $\rho_\Lambda =(0.0024 eV)^4. We show that the closeness of this estimate to experiment constrains susy GUT models. We also address various consistency checks on the calculation.
Presented by Prof. Bennie WARD on 5 Jul 2014 at 15:50
Type: Oral presentation Session: Astroparticle Physics and Cosmology
Track: Astroparticle Physics and Cosmology
The ground-based world-wide network of gravitational-wave laser interferometers has the ambitious goal of the first direct detection of gravitational waves. Their detection will provide a fundamental, new tool to probe the universe, with information on supernovae, colliding black holes and rotating neutron stars. In this talk I will give an overview of the status of the gravitational wave instrum ... More
Presented by Prof. Alicia SINTES on 5 Jul 2014 at 13:06
Type: Oral presentation Session: Detector RD and Performance
Track: Detector RD and Performance
The precise determination of the mass, the width and the couplings of the particle discovered in 2012 around 125 GeV is of capital importance to clarify the nature of such a particle, in particular to establish precisely if it is a Standard Higgs boson. In several new physics scenarios, in fact, a Higgs boson may behave differently with respect to the Standard one, or may not be unique, i.e. there ... More
Presented by Federico FERRI on 3 Jul 2014 at 15:20
Type: Oral presentation Session: Computing and Data Handling
Track: Computing and Data Handling
Rucio, the next-generation Data Management system in ATLAS On behalf of the ATLAS Collaboration Rucio is the next-generation of Distributed Data Management (DDM) system benefiting from recent advances in cloud and "Big Data" computing to address HEP experiments scaling requirements. Rucio is an evolution of the ATLAS DDM system Don Quijote 2 (DQ2), which has demonstrated very large scale data ... More
Presented by Dr. Cedric SERFON on 4 Jul 2014 at 16:45
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The branching fraction measurement of the SM-like Higgs boson decay into two muons at 1.4 TeV CLIC will be presented. The study is performed in the fully simulated ILD detector concept for CLIC, taking into consideration all the relevant physics and beam-induced backgrounds, as well as instrumentation of the very forward region to tag high-energy electrons. In this analysis we show that BR times t ... More
Presented by Prof. Ivanka BOZOVIC JELISAVCIC
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
The Borexino detector has convincingly shown its outstanding performances in the in the low energy, sub-MeV regime through its unprecedented accomplishments in the solar and geo neutrinos detection. These performances make it the ideal tool to accomplish a state-of-the-art experiment able to test unambiguously the long-standing issue of the existence of a sterile neutrino, as suggested by the seve ... More
Presented by Dr. David BRAVO on 4 Jul 2014 at 15:00
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We calculate with new precision the decays of SUSY particles to Higgs bosons. Using this new calculation we analyze the impact of these decays on current SUSY searches at the LHC as well as the prospects for measurements at a future e+e- collider.
Presented by Aoife BHARUCHA on 4 Jul 2014 at 10:15
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
We present the latest results from the MasterCode collaboration on supersymmetric models, in particular on the CMSSM, the NUHM1, the NUHM2 and the pMSSM. We combine the data from LHC Run I with astro-physical observables, flavor and electroweak precision observables. We determine the best fit regions of these models and anlyze the discovery potential at LHC Run II.
Presented by Mr. Kees Jan DE VRIES on 3 Jul 2014 at 15:15
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
We discuss the latest SUSY search results using the razor kinematic variables at CMS. The stop, sbottom and gluino limits are presented in various benchmark simplified models and implications for natural SUSY are discussed.
Presented by Dr. Joshua Robert HARDENBROOK
Type: Oral presentation Session: Education and Outreach
Track: Education and Outreach
Sciences ACO is a non-profit association based in Orsay (France). It manages a “Museum of Light and Matter” visited by more than 1,000 people each year. In this unique place, scientists and cultural mediators preserve, exhibit and explain pieces of the history of science & technology, to pass on the knowledge of this heritage to the audience. The museum is located at the centre of the “LA ... More
Presented by Dr. Nicolas ARNAUD on 3 Jul 2014 at 13:00
Type: Oral presentation Session: Neutrino Physics
Track: Neutrino Physics
Neutrinoless double beta (0nu2b) decay is a powerful tool to investigate neutrino properties, weak interaction, and effects beyond the Standard Model of particle physics. The main aim of the LUMINEU project (Luminescent Underground Molybdenum Investigation for NEUtrino mass and nature) is to realize a pilot experiment to search for 0nu2b decay of 100Mo with the help of zinc molybdate (ZnMoO4) crys ... More
Presented by Dr. Denys PODA on 3 Jul 2014 at 13:00
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Multilepton final states provide for a variety of opportunities to search for beyond the standard model physics with low backgrounds. We summarize searches with 2,3,4, and more leptons, with and without MET, b-tags, or large amount of hadronic energy.
Presented by Mr. Jan-Frederik SCHULTE
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
In this talk, the latest results from CMS on searches for beyond the Standard Model physics in final states with 2, 3, 4 (or more) leptons and with photons are presented using 20/fb of data from the 8 TeV LHC run. A variety of complementary final state signatures and methods are used to probe new physics.
Presented by Dr. Pablo MARTINEZ RUIZ DEL ARBOL on 3 Jul 2014 at 16:05
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Several non-minimal Higgs scenarios, e.g. Two Higgs Doublet Models (2HDM), predict the existence of charged Higgs bosons. This talk describes searches for charged Higgs bosons produced in top quark decays, in association with a top quark, or decaying to a tau lepton and a neutrino using the Run I data collected by the ATLAS detector at the LHC.
Presented by Mrs. Liron BARAK on 4 Jul 2014 at 11:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The search for Dark Matter at CMS is presented. Monojet, monophoton, and monolepton final states are all considered, as well as dark matter particles that are produced in association with top quarks. The interpretation of these results as a WIMP are discussed.
Presented by Prof. Steven LOWETTE on 4 Jul 2014 at 12:00
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The production of a Higgs boson in association with a single top quark is one of a few channels which are sensitive for not yet excluded anomalous couplings of the Higgs boson to fermions. Multivariate analysis tools are used for the reconstruction and classification of signal events, where the Higgs boson decays into bottom quarks and the single top quark decays leptonically. In this talk the mos ... More
Presented by Mr. Simon FINK
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The most recent CMS results on the search for the Standard Model Higgs boson in Zgamma and gamma*gamma channel, using the dataset recorded at the LHC from pp collisions at centre of mass energies of 7 and 8 TeV, will be presented. New physics models that predict a large enhancement of these branching ratios can be excluded.
Presented by Ms. Chiu-Ping CHANG
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Since the discovery of a Higgs boson by the ATLAS and CMS experiments at the LHC, the emphasis has shifted towards measurements of its properties and the search for less sensitive channels in order to determine whether the new particle is the Standard Model Higgs boson. Of particular importance is the direct observation of the coupling of the Higgs boson to top quarks. In this talk a review of ATL ... More
Presented by Dr. Elizaveta SHABALINA on 3 Jul 2014 at 12:50
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A search for the SM Higgs boson has been carried out in the Higgs to tautau and mumu channels with the CMS detector at the LHC collider. In addition, a search for lepton-flavor-violating decays is reported. The analyses are based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5/fb and 20/fb, respectively. For the SM Higgs boso ... More
Presented by Dr. Jan STEGGEMANN on 4 Jul 2014 at 10:00
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
A search for Higgs bosons has been carried out in the Higgs to gammagamma decay channel with the CMS detector at the LHC collider. In addition, a search for diphoton resonances at high mass using techniques similar to the SM Higgs boson search is presented. The analyses are based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV corresponding to integrated luminosities of 5 ... More
Presented by Dr. Matthew KENZIE on 3 Jul 2014 at 12:00
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Searches for a Higgs boson produced in association with top quarks, both singly and in pairs, and decaying to gamma gamma, ZZ, WW, tautau, and bbbar final states are presented. The analyses use pp collision data collected at center-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of about 5/fb and 20/fb, respectively. No signals are observed for production of a Higgs boso ... More
Presented by Dr. Lorenzo BIANCHINI on 3 Jul 2014 at 13:10
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
The search for a narrow resonance decaying into two photons in the mass range [65-600] GeV in pp collisions with the ATLAS detector at the Large Hadron Collider is presented. The results are given as a model independent limit on the fiducial production cross-section times branching fraction of X->gamma-gamma.
Presented by Dr. Zuzana BARNOVSKA
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The most recent searches for long-lived particles at CMS is presented. Searches for displaced jets, displaced leptons, displaced tops, heavy stable charged particles, and stopped particles are among those discussed. A variety of models are constrained by these searches, ranging from hidden valleys to split supersymmetry.
Presented by Mr. Paul LUJAN on 3 Jul 2014 at 16:35
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
We report the results of a direct search for Dirac magnetic monopoles using the CDF Run II detector at Fermilab. Monopoles within this model are produced via a mechanism similar to Drell-Yan pair production, are highly ionizing, and experience magnetic forces parallel to the magnetic field. We employ a dedicated trigger, which requires large light pulses in the scintillators of the time-of-flight ... More
Presented by Jonathan LEWIS
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
A new experiment to search for muon to electron conversion in nuclear field, DeeMe, is proposed at J-PARC Materials and Life Science Experimental Facility (MLF). This experiment will be carried out at a brand-new beamline (H-Line) which will be constructed at J-PARC MLF Muon Science Establishment (MUSE). Muonic atoms formed in a muon production target will be utilized. The signal electrons from ... More
Presented by Dr. Yohei NAKATSUGAWA on 5 Jul 2014 at 10:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Nucleon decay search is one of key for opening a door to Grand Unified Theories (GUTs). A favored proton decay mode by GUTs based on SU(5) symmetry is p-->e^+pi^0. On the other hand, SUSY moderated GUTs prefer p-->nuK^+. The Super-Kamiokande, a large water cherenkov detector, has been running more than 10 years and it is suitable for the nucleon decay search. In this talk, the latest results of nu ... More
Presented by Dr. Makoto MIURA on 5 Jul 2014 at 17:10
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Searches that target SUSY with extremely compressed spectra are presented using the ATLAS and CMS detectors. This includes monojet signatures, with or without "c-tagging", as well as data taken with specially loose trigger conditions during the 8 TeV LHC run in 2012.
Presented by Dr. Robert SCHOEFBECK on 3 Jul 2014 at 12:00
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Searches for standard model like Higgs bosons produced in cascade decays of SUSY particles are presented. This includes both strong as well as weak production, and higgs decays to final states with quarks, leptons and photons.
Presented by Mr. Mario MASCIOVECCHIO
Type: Oral presentation Session: Top-quark and ElectroWeak Physics
Track: Top-quark and ElectroWeak Physics
We present searches for the top quark flavor-changing neutral current (FCNC) interactions by the CMS experiment. The FCNC searches have been performed in the vertices of tqZ, tqg, tqH and tqA in decay and production processes. The results are based on the data collected from proton proton collisions at the LHC at a centre-of-mass energies of 7 and 8 TeV.
Presented by Dr. Mojtaba MOHAMMADI NAJAFABADI on 3 Jul 2014 at 17:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Since the discovery of a Higgs boson by the ATLAS and CMS experiments at the LHC, the emphasis has shifted towards determining whether the new particle is the Standard Model (SM) Higgs boson. The search for additional Higgs boson states addresses this question. In particular the search for high mass states decaying to diboson final states could shed light on the structure of the electroweak ... More
Presented by Mark NEUBAUER on 5 Jul 2014 at 13:20
Type: Poster Session: Poster Session
Track: Brout-Englert-Higgs physics
A direct search at CDF for an exotic Higgs boson that decays to invisible particles is reported. The simplest H-->invisible Standard Model (SM) process has a branching ratio of 10^-3. However, Higgs boson decays to invisible particles can be significantly enhanced in many BSM models. One of the cleanest signatures in searching for this process is when the Higgs boson is produced in association wi ... More
Presented by Ms. Cristiana PRINCIPATO
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
An inclusive search for non-Standard Model production of two prompt, isolated leptons with the same electric charge and an application to a doubly charged Higgs boson search are presented. The search is performed in a data sample corresponding to 20.3 fb−1 of integrated luminosity collected in 2012 at √s = 8 TeV by the ATLAS detector at the LHC. Same-sign lepton pairs (ee, eμ, and μμ) are ... More
Presented by Anthony HAWKINS
Type: Poster Session: Poster Session
Track: Top-quark and ElectroWeak Physics
A search for single top quark production through flavor-changing neutral current in the anomalous tqγ vertex is performed in proton-proton collisions at the center-of-mass energy of 8 TeV. The analysis is based on a dataset corresponding to an integrated luminosity of 19.1 fb−1 collected with the CMS detector. The search is performed on events with one isolated muon and jets in the final state. ... More
Presented by Dr. Reza GOLDOUZIAN
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
A search is presented for production of dark matter particles recoiling against a leptonically decaying Z boson in 20.3 fb−1 of pp collisions at √s = 8 TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely-charged electrons or muons consistent with the decay of a Z boson are analyzed. No excess above the Standard Model predic ... More
Presented by Amelia Jean BRENAN
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
A new class of dark matter theories introducing a dark sector charged under a new force has recently been proposed. The corresponding gauge boson, the so-called dark photon (A′), has MeV−GeV mass and couples to the Standard Model through its kinetic mixing with the photon. We present a search for a dark photon in e+e− -> gamma A′, A′ -> e+e−, μ+μ− at BABAR. We do not observe ... More
Presented by Prof. David HITLIN
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Motivated by natural SUSY, a search for supersymmetric top squark pair production in final states with one isolated lepton, jets and missing transverse momentum in sqrt(s) = 8 TeV pp collisions using 20.3 fb-1 of data from the ATLAS experiment, is presented. The analysis targets five different decay scenarios for the supersymmetric top squark (stop) : (1) stop decays into a top quark and the light ... More
Presented by Yiming ABULAITI
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Many supersymmetry models feature charginos, neutralinos and also sleptons with masses less than a few hundred GeV. These can give rise to direct pair production rates at the LHC that can be observed in the data sample recorded by the ATLAS detector. The talk presents results from searches for charginos, neutralinos and slepton production in final state events characterized by the presence of two ... More
Presented by Janet DIETRICH
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
The search for heavy resonances at CMS involving bosons are presented. These final states include diphoton, VV, VH, and HH resonances.
Presented by Dr. Angelo DE SOUZA SANTOS
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The search for heavy resonances involving bosons in ATLAS and CMS are presented. These final states include diphoton, VV, VH, and HH resonances.
Presented by Dr. Francesco SANTANASTASIO on 4 Jul 2014 at 12:30
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
Resonances decaying into a pair of particles are an obvious place to look for phenomena beyond the Standard Model. This talk summarizes recent results on searches for resonances in pairs of jets, leptons, lepton and jet, photon and jet, as well as pairs of photons. Various models are considered such the Z' and W', the Randall-Sundrum warped extra dimensions as excited quarks, quantum black ... More
Presented by Koji TERASHI on 4 Jul 2014 at 12:50
Type: Oral presentation Session: Lepton Flavour Violation
Track: Lepton Flavour Violation
The MEG experiment in search for the lepton-flavour violating muon decay mu -> e gamma completed its data-taking in August 2013.  The new data in 2013 are now being analysed together with the data taken in 2012 with improved analysis algorithms, which will eventually double the total data statistics. The latest result from the search analysis will be presented.  The status and prospect of th ... More
Presented by Dr. donato NICOLO on 5 Jul 2014 at 09:00
Type: Oral presentation Session: Beyond the Standard Model
Track: Beyond the Standard Model
The most recent results on searches for 1st, 2nd, and 3rd generation leptoquarks with the ATLAS and CMS experiment are presented. Alternative interpretations of the searches for R-parity-violating stop squark decays are also presented.
Presented by Dr. Francesco ROMEO on 4 Jul 2014 at 13:10
Type: Oral presentation Session: BEH Physics
Track: Brout-Englert-Higgs physics
Searches for low mass CP-odd Higgs boson (A0) predicted in non-minimal supersymmetric extensions of the Standard Model, have been performed at BABAR studying the radiative decays of the Y(nS) resonances, with n=1,2,3. Stringent limits on the production of a light Higgs boson have been set from a variety of decay channels, as A0 to lepton pairs, gluon gluon and q qbar.
Presented by Mr. Rocky SO on 5 Jul 2014 at 11:30
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
Although same sign dileptons final states are very rare in the SM context, they appear naturally in many different new physics scenarios such as SUSY where two same-sign dileptons can be produced in the decay chain of supersymetric particles. Different scenarios can be presented: Same-sign dileptons accompanied by b-quarks can arise from SUSY processes where 3rd generation quark superpartners a ... More
Presented by Santiago FOLGUERAS
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
We present the measurements of electroweak penguin decays of $B$ and $B_s$ mesons, which are sensitve to New Physics. We have measured the forward-backward asymmetry in $B \to X_s \ell^+ \ell^-$ using a semi-inclusive reconstruction technique. We also report the differential branching fraction, isospin asymmetry, $K^{*}$~polarization, and forward-backward asymmetry of the exclusive $B \to K^{(*)} ... More
Presented by Dr. Akimasa ISHIKAWA
Type: Poster Session: Poster Session
Track: Beyond the Standard Model
A search, performed using the ATLAS experimental data, is conducted for non-resonant new phenomena in the dilepton final state, which could originate from contact interactions and large extra spatial dimensions. The full LHC 2012 proton-proton dataset is used comprising 20 fb−1 at √s = 8 TeV, recorded by the ATLAS detector under nominal conditions. For the first time in ATLAS, the forward-bac ... Mor