W and Z boson production in p-Pb collisions at √sNN=5.02 TeV
ALICE Collaboration. (2017). W and Z boson production in p-Pb collisions at √sNN=5.02 TeV. Journal of High Energy Physics, 2017(2), Article 77. https://doi.org/10.1007/JHEP02(2017)077
Published inJournal of High Energy Physics
© 2017 CERN and the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License. Funded by SCOAP3.
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at sNN−−−√=5.02 TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward (−4.46 < ycms < −2.96) and forward (2.03 < ycms < 3.53) rapidity regions, corresponding to Pb-going and p-going directions, respectively. The Z-boson production cross section, with dimuon invariant mass of 60 < mμμ < 120 GeV/c2 and muon transverse momentum (pTμ) larger than 20 GeV/c, is measured. The production cross section and charge asymmetry of muons from W-boson decays with pTμ > 10 GeV/c are determined. The results are compared to theoretical calculations both with and without including the nuclear modification of the parton distribution functions. The W-boson production is also studied as a function of the collision centrality: the cross section of muons from W-boson decays is found to scale with the average number of binary nucleon-nucleon collisions within uncertainties.
PublisherSpringer Berlin Heidelberg
ISSN Search the Publication Forum1126-6708
Publication in research information system
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Except where otherwise noted, this item's license is described as © 2017 CERN and the Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License. Funded by SCOAP3.
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