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W and Z boson production in p-Pb collisions at sNN=5.02 $ \sqrt{s_{\mathrm{NN}}}=5.02 $ TeV

Published in 2017 by J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, M. Agnello, N. Agrawal, Z. Ahammed, S. Ahmad, S. U. Ahn, S. Aiola, A. Akindinov, S. N. Alam, D. S. D. Albuquerque, D. Aleksandrov, B. Alessandro and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at sNN=5.02 $ \sqrt{s_{\mathrm{NN}}}=5.02 $ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward (−4.46 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.