Journal
NUCLEAR PHYSICS A
Volume 826, Issue 3-4, Pages 230-255Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysa.2009.06.016
Keywords
High energy QCD; Color glass condensate; Gluon saturation; Space-time picture at high energy; Glauber approach
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We calculate the inclusive J/psi production in heavy ion collisions including the effects of gluon saturation in the wave functions of the colliding nuclei. We argue that the dominant production mechanism in proton-nucleus and nucleus-nucleus collisions for heavy nuclei is different from the one in hadron-hadron interactions. We find that the rapidity distribution of primary J/psi production is more peaked around midrapidity than the analogous distribution in elementary pp collisions. We discuss the consequences of this fact on the experimentally observed J/psi suppression in Au-Au collisions at RHIC energies. (C) 2009 Elsevier B.V. All rights reserved.
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