13–17 Aug 2013
University of California, Santa Cruz
US/Pacific timezone

Measurements of vector boson production in association with jets in ATLAS

15 Aug 2013, 13:30
20m
Cowell 131 (University of California, Santa Cruz)

Cowell 131

University of California, Santa Cruz

oral presentation Electroweak Physics Electroweak Physics

Speaker

Gerhard Brandt (LBNL)

Description

A measurement of vector boson production and the ratio of W boson to Z boson production in association with jets using sqrt(s) = 7 TeV p-p collisions at the LHC of the 2011 ATLAS dataset with an integrated luminosity of 4.6 pb is presented. Inclusive and differential cross sections and cross section ratios for the vector bosons decaying to electrons and muons are measured for jets with transverse momentum pT > 30 GeV and jet rapidity |y| < 4.4. The measurements are compared to next-to-leading-order perturbative QCD calculations, and to predictions from different Monte Carlo generators implementing leading order matrix elements supplemented by parton showers.
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