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Study of high-p T charged particle suppression in PbPb compared to pp collisions at √S NN=2.76 TeV

Abstract:

The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at √S NN=2.76 TeV by the CMS experiment at the LHC. In the transverse momentum range p T=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 p T, this suppression is significantly reduced, approaching roughly a factor of 2 for particles with...

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Journal:
European Physical Journal C
Volume:
72
Issue:
3
Pages:
1-22
Publication date:
2012-03-01
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
Pubs id:
pubs:341490
UUID:
uuid:05e966df-ae93-4106-84fd-2f67e4cc83a5
Local pid:
pubs:341490
Source identifiers:
341490
Deposit date:
2014-02-16

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