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01742 am a22002173u 4500 |
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|a Taylor, Frank E.
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|a Massachusetts Institute of Technology. Department of Physics
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|a Taylor, Frank E.
|e contributor
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|a A measurement of the ratio of the W and Z cross sections with exactly one associated jet in pp collisions at √s = 7 TeV with ATLAS
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|b Elsevier,
|c 2014-12-03T18:36:12Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/92022
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|a The ratio of production cross sections of the W and Z bosons with exactly one associated jet is presented as a function of jet transverse momentum threshold. The measurement has been designed to maximise cancellation of experimental and theoretical uncertainties, and is reported both within a particle-level kinematic range corresponding to the detector acceptance and as a total cross-section ratio. Results are obtained with the ATLAS detector at the LHC in pp collisions at a centre-of-mass energy of 7 TeV using an integrated luminosity of 33 pb[superscript −1]. The results are compared with perturbative leading-order, leading-log, and next-to-leading-order QCD predictions, and are found to agree within experimental and theoretical uncertainties. The ratio is measured for events with a single jet with pT>30 GeV to be 8.73±0.30(stat)±0.40(syst) in the electron channel, and 8.49±0.23(stat)±0.33(syst) in the muon channel.
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|a European Organization for Nuclear Research
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|a United States. Dept. of Energy
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|a National Science Foundation (U.S.)
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|a Brookhaven National Laboratory
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|a en_US
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|a Article
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|t Physics Letters B
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