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Measurement of the transverse momentum distribution of W bosons in pp collisions at √s=7  TeV with the ATLAS detector
CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Berglund, Frida Elina / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Ferrere, Didier / Gadomski, Szymon / Garcia Navarro, Jose Enrique / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Hamilton, Andrew / Iacobucci, Giuseppe / Leger, Annie / Lister, Alison / Martin Dit Latour, Bertrand / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Pohl, Martin / Robichaud-Veronneau, Andrée / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Physical Review. D. 2012, vol. 85, no. 01, p. 012005
Abstract 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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Article (Published version) (1.9 MB) - public document Free access
Other version: http://journals.aps.org/prd/abstract/10.1103/PhysRevD.85.012005
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Faculté des sciences / Section de physique / Département de physique nucléaire et corpusculaire
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(ISO format) 		ATLAS COLLABORATION. Measurement of the transverse momentum distribution of W bosons in pp collisions at √s=7  TeV with the ATLAS detector. In: Physical Review. D, 2012, vol. 85, n° 01, p. 012005. https://archive-ouverte.unige.ch/unige:40536

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Deposited on : 2014-09-26

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