Measurement of the production cross section for W- and Z-bosons in association with jets in ATLAS

Details Measurement of the production cross section for W- and Z-bosons in association with jets in ATLAS Measurement of the production cross section for W- and Z-bosons in association with jets in ATLAS

2011-06-10

arxiv.org/abs/1106.2061v1

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 4 figures, Proceedings of DIS2011

Scientific paper

We report on the measurements of inclusive W+jets and Z+jets cross sections in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. Cross sections, in both the electron and muon decay modes of the bosons, are presented as a function of jet multiplicity, the transverse momentum of the jets and the quantity HT which is the scalar sum of the pT in the event. Measurements are also presented of the ratios of cross sections. The measured cross sections are compared to different particle-level predictions, based on perturbative QCD, where the measured W+3jet cross section is for the first time compared with next-to-leading order calculations.

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