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Centrality dependence of high-pT D meson suppression in Pb-Pb collisions at √sNN = 2.76 TeV

The ALICE collaboration, Null
•
Adam, J.
•
Adamová, D.
altro
Zyzak, M.
2015
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy √sNN = 2.76 TeV in two transverse momentum intervals, 5 < pT < 8GeV/c and 8 < pT < 16GeV/c, and in six collision centrality classes. The RAA shows a maximum suppression of a factor of 5–6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the RAA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.
DOI
10.1007/JHEP11(2015)205
WOS
WOS:000366380600001
Archivio
http://hdl.handle.net/11368/2866029
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84949566305
http://link.springer.com/journal/13130
Diritti
open access
license:digital rights management non definito
FVG url
https://arts.units.it/bitstream/11368/2866029/2/Centrality dependence of high-pT D meson suppression in Pb-Pb collisions at â sNN = 2.76 TeV.pdf
Soggetti
  • Charm physic

  • Heavy Ion

  • Heavy-ion collision

  • Nuclear and High Ener...

Web of Science© citazioni
53
Data di acquisizione
Mar 28, 2024
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