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W and Z boson production in p-Pb collisions at √sNN=5.02 TeV

Adam, J.
•
Adamová, D.
•
Aggarwal, M. M.
altro
Zmeskal, J.
2017
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The W and Z boson production was measured via the muonic decay chan- nel 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 for- ward (2.03 < ycms < 3.53) rapidity regions, corresponding to Pb-going and p-going direc- tions, respectively. The Z-boson production cross section, with dimuon invariant mass of 60 < mμμ < 120GeV/c2 and muon transverse momentum (pμT) larger than 20GeV/c, is measured. The production cross section and charge asymmetry of muons from W-boson decays with pμT > 10 GeV/c are determined. The results are compared to theoretical calcu- lations 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.
DOI
10.1007/JHEP02(2017)077
WOS
WOS:000394421700001
Archivio
http://hdl.handle.net/11368/2901713
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85013187917
https://link.springer.com/article/10.1007%2FJHEP02%282017%29077
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/3.0/it/
FVG url
https://arts.units.it/bitstream/11368/2901713/2/10.1007_JHEP02(2017)077.pdf
Soggetti
  • Heavy Ion Experiment

  • Nuclear and High Ener...

Web of Science© citazioni
18
Data di acquisizione
Mar 26, 2024
Visualizzazioni
4
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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