Study of High-pT Charged Particle Suppression in PbPb Compared to $pp$ Collisions at $\sqrt{s_{NN}}=2.76$ TeV - INSPIRE

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Study of High-pT Charged Particle Suppression in PbPb Compared to $pp$ Collisions at $\sqrt{s_{NN}}=2.76$ TeV

CMS

Collaboration

Feb, 2012

33 pages

Published in:

Eur.Phys.J.C 72 (2012) 1945

Published: Mar 29, 2012

e-Print:

1202.2554 [nucl-ex]

DOI:

10.1140/epjc/s10052-012-1945-x

Report number:

CMS-HIN-10-005,
CERN-PH-EP-2012-043

Experiments:

CERN-LHC-CMS

View in:

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reference search659 citations

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Abstract: (arXiv)

The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at sqrt(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 5 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.

Note:

Submitted to EPJC

heavy ion: scattering
lead
p p: scattering
charged particle: transverse momentum
charged particle: yield: measured
transverse momentum: high
charged particle: suppression
CERN LHC Coll
CMS
transverse momentum dependence

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