W and Z boson production in p-Pb collisions at √sNN=5.02 TeV (CROSBI ID 246305)
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Podaci o odgovornosti
Adam, J. ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Simatović, Goran ; ... ; Utrobičić, Antonija ; ... ; Vicković, Linda ; ... ; Zmeskal, J.
ALICE Collaboration
engleski
W and Z boson production in p-Pb collisions at √sNN=5.02 TeV
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.
W, Z, boson, p-Pb, 5.02TeV
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Podaci o izdanju
1702
2017.
77
24
objavljeno
1029-8479
1029-8479
10.1007/JHEP02(2017)077
