Gluon saturation effects on J/ψ production in heavy ion collisions

Dmitri Kharzeev, Eugene Levin, Marzia Nardi, Kirill Tuchin

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

We consider a novel mechanism for J/ψ production in nuclear collisions arising due to the high density of gluons. The resulting J/ψ production cross section is evaluated as a function of rapidity and centrality. We compute the nuclear modification factor and show that the rapidity distribution of the produced J/ψ's is significantly more narrow in AA collisions due to the gluon saturation effects. Our results indicate that gluon saturation in the colliding nuclei is a significant source of J/ψ suppression and can explain the experimentally observed rapidity and centrality dependencies of the effect. © 2009 The American Physical Society.
Original languageEnglish
JournalPhysical Review Letters
DOIs
Publication statusPublished - 14 Apr 2009
Externally publishedYes

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