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dc.contributor.authorKARASU UYSAL, Ayben
dc.contributor.authorALICE Collaboration
dc.date.accessioned2019-07-08T07:40:57Z
dc.date.available2019-07-08T07:40:57Z
dc.date.issued2016
dc.identifier.urihttps://hdl.handle.net/20.500.12498/586
dc.description.abstractThe pseudorapidity density of charged particles, dNch=dη, at midrapidity in Pb-Pb collisions has been measured at a center-of-mass energy per nucleon pair of sNN 1⁄4 5.02 TeV. For the 5% most central collisions, we measure a value of 1943 54. The rise in dNch=dη as a function of sNN is steeper than that observed in proton-proton collisions and follows the trend established by measurements at lower energy. The increase of dNch=dη as a function of the average number of participant nucleons, hNparti, calculated in a Glauber model, is compared with the previous measurement at sNN 1⁄4 2.76 TeV. A constant factor of about 1.2 describes the increase in dNch=dη from sNN 1⁄4 2.76 to 5.02 TeV for all centrality classes, within the measured range of 0%–80% centrality. The results are also compared to models based on different mechanisms for particle production in nuclear collisions.en_US
dc.relation10.1103/PhysRevLett.116.222302en_US
dc.subjectCharged-Particle Multiplicity Densityen_US
dc.subjectLHC
dc.subjectALICE
dc.titleCentrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at 5.02 TeVen_US
dc.typeMakaleen_US
eperson.orcidid0000-0001-6297-2532en_US


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