Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

Wahid Bhimji, Philip Clark, Robert Harrington, Victoria Martin, ATLAS Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

The production cross sections of the inclusive Drell-Yan processes W to l nu and Z/gamma to ll (l=e,mu) are measured in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a fiducial kinematic range, extrapolated to the full range and also evaluated differentially as a function of the W decay lepton pseudorapidity and the Z boson rapidity, respectively. Based on an integrated luminosity of about 35 pb^-1 collected in 2010, the precision of these measurements reaches a few per cent. The integrated and the differential W+- and Z/gamma cross sections in the e and mu channels are combined, and compared with perturbative QCD calculations, based on a number of different parton distribution sets available at NNLO.
Original languageEnglish
Pages (from-to)72004
Number of pages72004
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
VolumeD85
DOIs
Publication statusPublished - 2012

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