The photon PDF from high-mass Drell-Yan data at the LHC
Abstract
I present a determination of the photon PDF from a fit to the recent ATLAS measurements of high-mass Drell-Yan lepton-pair production at s = 8 TeV. This analysis is based on the xFitter framework interfaced to the APFEL program, that accounts for NLO QED effects, and to the aMCfast code to account for the photon-initiated contributions within MadGraph5\aMC@NLO. The result is compared with other recent determinations of the photon PDF finding a general good agreement.
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