Journal
PHYSICS LETTERS B
Volume 710, Issue 1, Pages 182-187Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2012.02.068
Keywords
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Funding
- U.S. Department of Energy [DE-AC02-98CH10886, DE-FG-88ER41723, DE-FG02-87ER40371]
- Fondecyt (Chile) [1100648]
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We derive the formulae for the cross section of J/psi production in high energy pA and AA collisions taking into account the gluon saturation/color glass condensate effects. We then perform the numerical calculations of the corresponding nuclear modification factors and find a good agreement between our calculations and the experimental data on J/psi production in pA collisions. We also observe that cold nuclear modification effects alone cannot describe the data on J/psi production in AA collisions. Additional final state suppression (at RHIC) and enhancement (at LHC) mechanisms are required to explain the experimental observations. (C) 2012 Elsevier B.V. All rights reserved.
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