2-9 July 2014
Valencia, Spain
Europe/Madrid timezone

Impact of ATLAS data on parton density functions

4 Jul 2014, 12:05
Sala 3+4 ()

Sala 3+4

Oral presentation Strong Interactions and Hadron Physics Strong Interactions and Hadron Physics


Dr. Frank Ellinghaus (Mainz University)


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 NLO QCD fit and show impact for the gluon and quark densities. Off-resonance Drell Yan production may be used to constrain anti-quark density at high x. The measurements have higher impact when they are used in a common fit, taking into account correlations of the systematic uncertainties and will help to constrain parton density function uncertainties.

Primary author

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