Production of muons from heavy-flavour hadron decays in p-Pb collisions at sNN=5.02 TeV

Acharya, S; Adamova, D.; Adolfson, J; Aggarwal, M.; Rinella, G.; Agnello, M.; Agrawal, N; Bufalino, S.; Concas, M.; Grosa, F.; Ravasenga, I.

doi:10.1016/j.physletb.2017.03.049

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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.

Titolo:	Production of muons from heavy-flavour hadron decays in p-Pb collisions at sNN=5.02 TeV
Autori:	Acharya, S Adamova, D. Adolfson, J Aggarwal, M. Rinella, G. AGNELLO, MICHELANGELO Agrawal, N BUFALINO, STEFANIA CONCAS, MATTEO GROSA, FABRIZIO RAVASENGA, IVAN mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2017
Rivista:	PHYSICS LETTERS. SECTION B
Digital Object Identifier (DOI):	10.1016/j.physletb.2017.03.049
Appare nelle tipologie:	1.1 Articolo in rivista

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