Measurement of the transverse momentum distribution of W bosons in pp collisions at s√=7 TeV with the ATLAS detector

UNSPECIFIED (2012) Measurement of the transverse momentum distribution of W bosons in pp collisions at s√=7  TeV with the ATLAS detector. Physical Review D, 85 (1): 012005. ISSN 1550-7998

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This paper describes a measurement of the W boson transverse momentum distribution using ATLAS pp collision data from the 2010 run of the LHC at s√=7  TeV, corresponding to an integrated luminosity of about 31  pb−1. Events form both W→eν and W→μν are used, and the transverse momentum of the W candidates is measured through the energy deposition in the calorimeter from the recoil of the W. The resulting distributions are unfolded to obtain the normalized differential cross sections as a function of the W boson transverse momentum. We present results for pWT<300  GeV in the electron and muon channels as well as for their combination, and compare the combined results to the predictions of perturbative QCD and a selection of event generators.

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Journal Article
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Physical Review D
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Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2012 CERN, for the ATLAS Collaboration
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03 Jan 2014 14:23
Last Modified:
27 Feb 2024 00:58