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Measurement of the production and lepton charge asymmetry of W bosons in Pb+Pb collisions at √s[subscript NN] = 2.76 TeV with the ATLAS detector

Author(s)
Taylor, Frank E.
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Abstract
A measurement of W boson production in lead-lead collisions at √s[subscript NN] = 2.76 TeV is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14 nb[superscript −1] and 0.15 nb[superscript −1] in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons ⟨N[subscript part]⟩ and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of W boson production in multi-nucleon systems.
Date issued
2015-01
URI
http://hdl.handle.net/1721.1/96807
Department
Massachusetts Institute of Technology. Department of Physics
Journal
The European Physical Journal C
Publisher
Springer-Verlag
Citation
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Measurement of the Production and Lepton Charge Asymmetry of $$W$$ W Bosons in Pb+Pb Collisions at √s[subscript NN] = 2.76 TeV with the ATLAS Detector.” Eur. Phys. J. C 75, no. 1 (January 2015). © 2015 CERN for the benefit of the ATLAS collaboration
Version: Final published version
ISSN
1434-6044
1434-6052

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