Date of Original Version

3-2012

Type

Article

Rights Management

© CERN for the benefit of the CMS collaboration 2012.

Abstract or Description

The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at √sNN = 2.76 TeV by the CMS experiment at the LHC. In the transverse momentum range pT = 5–10 GeV/c, the charged particle yield in the most central PbPb collisions is suppressed by up to a factor of 7 compared to the pp yield scaled by the number of incoherent nucleon–nucleon collisions. At higher pT, this suppression is significantly reduced, approaching roughly a factor of 2 for particles with pT in the range pT = 40–100 GeV/c

DOI

10.1140/epjc/s10052-012-1945-x

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Published In

European Physical Journal C, 72, 1945.