Abstract

The ALICE experiment at the LHC is designed to study the properties of the Quark-Gluon Plasma (QGP) based on high energy pp, p-Pb and Pb-Pb collisions. Certain properties of these collisions can be studied by measuring the production of charged particles. A suppression of the yield of charged particles was observed at high pT by comparing central Pb-Pb events scaled by the number of binary collisions to pp collisions, in terms of the nuclear modification factor RAA. This suppression can be an effect of the energy loss of partons as they propagate in a hot and dense QCD medium (QGP).In the end of 2015, pp and Pb-Pb collisions at √sNN = 5.02 TeV were measured by ALICE. Here, transverse momentum distributions of inclusive charged particles in pp and Pb-Pb collisions at √sNN = 5.02 TeV as well as the nuclear modification factor in six centrality classes are presented and compared with model predictions.

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