Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 15, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.152301
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Funding
- U. S. Department of Energy [DE-AC02-98CH10886, DE-FG02-87ER40371]
- RIKEN
- BNL
- Ministry of Science, Culture Sport, Israel
- Russian Foundation for Basic Research
- Russian Federation
- BSF [20004019]
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We consider a novel mechanism for J/psi production in nuclear collisions arising due to the high density of gluons. The resulting J/psi 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/psi'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/psi suppression and can explain the experimentally observed rapidity and centrality dependencies of the effect.
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