Journal
NUCLEAR PHYSICS A
Volume 855, Issue 1, Pages 327-330Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysa.2011.02.071
Keywords
J/psi production; heavy-ion collisions; cold nuclear matter effects
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We evaluate the Cold Nuclear Matter effects on JAG production in pPb and PbPb collisions at the current LHC energy, taking into account the gluon shadowing and the nuclear absorption. We use the complete kinematics in the underlying 2 -> 2 partonic process, namely g + g -> J/psi + g as expected from LO pQCD. The resulting shadowing is responsible for a large J/psi suppression in pPb and PbPb, and shows a strong rapidity dependence.
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