期刊
NUCLEAR PHYSICS A
卷 855, 期 1, 页码 327-330出版社
ELSEVIER
DOI: 10.1016/j.nuclphysa.2011.02.071
关键词
J/psi production; heavy-ion collisions; cold nuclear matter effects
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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