Measurement of the transverse momentum distribution of W bosons in pp collisions at √s=7 TeV with the ATLAS detector
Author(s)Taylor, Frank E.
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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[superscript -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 [subscript pT][superscript W]<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.
DepartmentMassachusetts Institute of Technology. Department of Physics
Physical Review D
American Physical Society
G. Aad et al. "Measurement of the transverse momentum distribution of W bosons in pp collisions at √s=7 TeV with the ATLAS detector." Physical Review D 85, 012005 (2012). © 2012 CERN, for the ATLAS Collaboration
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