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Production of muons from heavy-flavour hadron decays in p-Pb collisions at root s(NN)=5.02 TeV

(ALICE collaboration) Acharya, S; Antičić, Tome; Zmeskal, J. (2017) Production of muons from heavy-flavour hadron decays in p-Pb collisions at root s(NN)=5.02 TeV. Physics Letters B, 770 . pp. 459-472. ISSN 0370-2693

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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 of 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 B.V.

Item Type: Article
Uncontrolled Keywords: proton-proton collisions ; range angular-correlations ; large transverse-momentum ; root-s-nn=5.02 tev ; root-s=7 tev ; long-range ; multiplicity dependence ; meson production ; ppb collisions ; rapidity
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Depositing User: Tome Antičić
Date Deposited: 09 Aug 2017 11:07
Last Modified: 09 Aug 2017 11:07
URI: http://fulir.irb.hr/id/eprint/3520
DOI: 10.1016/j.physletb.2017.03.049

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