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Article
Report number arXiv:1012.1657 ; CERN-PH-EP-2010-071 ; CERN-PH-EP-2010-071
Title Centrality dependence of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at sNN = 2.76 TeV
Author(s) ALICE Collaboration  Pokaż wszystkich 919 autorów
Publication 2011
Imprint 09 Dec 2010
Number of pages 14
Note 14 pages, 3 captioned figures, 1 table, authors from page 9, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/3891
In: Phys. Rev. Lett. 106 (2011) 032301
DOI 10.1103/PhysRevLett.106.032301
Subject category Nuclear Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; ALICE
Abstract The centrality dependence of the charged-particle multiplicity density at mid-rapidity in Pb-Pb collisions at sNN = 2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor 2 from peripheral (70-80%) to central (0-5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.
Copyright/License publication: © 2011-2024 CERN (License: CC-BY-3.0)
preprint: © 2010-2024 CERN (License: CC-BY-3.0)



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