Production of muons from heavy-flavour hadron decays in p-Pb collisions at root s(NN)=5.02 TeV
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and Zinovjev, G. and Zmeskal, J. and ALICE Collaboration... Show more Show less
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Abstract
The production of muons from heavy-flavour hadron decays in p-Pb
collisions at root s(NN) = 5.02 TeV was studied for 2 < p(T) < 16 GeV/c
with the ALICE detector at the CERN LHC. The measurement was performed
at forward (p-going direction) and backward (Pb-going direction)
rapidity, in the ranges of rapidity in the centre-of-mass system (cms)
2.03 < y(cms) < 3.53 and -4.46 < y(cms) < -2.96, respectively. The
production cross sections and nuclear modification factors are presented
as a function off transverse momentum (P-T). At forward rapidity, the
nuclear modification factor is compatible with unity while at backward
rapidity, in the interval 2.5 < p(T) < 3.5 GeV/c, it is above unity by
more than 2 sigma. The ratio of the forward -to -backward production
cross sections is also measured in the overlapping interval 2.96 <
|y(cms)| < 3.53 and is smaller than unity by 3.7 sigma in 2.5 < p(T) <
3.5 GeV/c. The data are described by model calculations including cold
nuclear matter effects. (C) 2017 The Author(s). Published by Elsevier
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