Abstract
The measurement of the production of single muons from heavy-flavour hadron decays at forward rapidity in Pb–Pb collisions at sNN=5.02 TeV collected in 2015 is presented as a function of transverse momentum (pT) and collision centrality. A strong suppression of the yield is observed at high pT in the most central collisions compared to the binary-scaled expectation from pp collisions at the same energy. The pT-integrated nuclear modification factor (RAA) as function of the number of participating nucleons indicates an increase of the suppression from peripheral to central collisions. Comparisons with the results for Pb–Pb collisions at sNN=2.76 TeV and with transport model predictions are shown. A similar suppression is measured at both sNN=2.76 TeV and 5.02 TeV. The results available from pT=7 GeV/c up to pT=20 GeV/c, will provide new constraints on transport model ingredients and new insights on the understanding of the evolution of the hot and dense matter formed in ultra-relativistic heavy-ion collisions.
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