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SUMMARY:Invisibles Journal Club: Neutrino and Dark Radiation properties in
  light of recent CMB observations
DTSTART;VALUE=DATE-TIME:20130409T130000Z
DTEND;VALUE=DATE-TIME:20130409T140000Z
DTSTAMP;VALUE=DATE-TIME:20260630T111307Z
UID:indico-event-1904@indico.ific.uv.es
DESCRIPTION:Webinar from Aarhus: In this presentation I will illustrate a 
 joint work with Elena Giusarma\, Olga Mena and Alessandro Melchiorri. Afte
 r introducing the Cosmic Neutrino Background\, I will briefly describe the
  neutrino effects on the cosmological observables.\nThanks to these effect
 s we can derive constraints on neutrino physics and dark radiation from co
 smological data. Here I will show the results obtained with the nine year 
 data release of the Wilkinson Microwave Anisotropy Probe satellite and wit
 h the high-l CMB data of the South Pole Telescope and Atacama Cosmology Te
 lescope experiments\, combined with other cosmological probes such as Bary
 on Acoustic Oscillation\, Hubble Space Telescope measurements and Supernov
 ae Ia. Our analyses investigated a large number of different cosmological 
 scenarios\, including not only massive neutrinos and additional relativist
 ic degrees of freedom\, but also a running of the scalar spectral index or
  a varying dark energy equation of state parameter. Finally I will discuss
  the discrepancy between ACT and SPT concerning extra dark radiation and m
 assive neutrinos\, and we will see how this discrepancy can be alleviated 
 or worsened by adding external data sets or extending the cosmological mod
 el.\n\nhttps://indico.ific.uv.es/event/1904/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1904/
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