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A Measurement of the Ratio of the Production Cross Sections for W and Z Bosons in Association With Jets With the ATLAS Detector

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10.1140%2Fepjc%2Fs10052-014-3168-9.pdf (1.69 MB)

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2014

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10.1140/epjc/s10052-014-3168-9

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Springer Nature
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ATLAS Collaboration. 2014. “A Measurement of the Ratio of the Production Cross Sections for W and Z Bosons in Association With Jets With the ATLAS Detector.” The European Physical Journal C 74 (12) (December). doi:10.1140/epjc/s10052-014-3168-9.

Abstract

The ratio of the production cross sections for W and Z bosons in association with jets has been measured in proton-proton collisions at s√ = 7 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is based on the entire 2011 dataset, corresponding to an integrated luminosity of 4.6 fb−1. Inclusive and differential cross-section ratios for massive vector bosons decaying to electrons and muons are measured in association with 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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http://nrs.harvard.edu/urn-3:HUL.InstRepos:33747056

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