Physics – Nuclear Physics
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ranp.conf..210t&link_type=abstract
RELATIVISTIC ASPECTS OF NUCLEAR PHYSICS. Proceedings of the Sixth International Workshop. Held 17-20 October 2000 in Caraguatatu
Physics
Nuclear Physics
Scientific paper
We have estimated in a kinetic model the effects of a new production mechanism for quarkonium states in high energy heavy ion collisions. In this mechanism, bound states are formed from a quark and an antiquark which were originally produced in separate incoherent interactions. This requires the mobility of heavy quarks in an extended space-time region, and so will impact predictions of quarkonium production as a signal of deconfinement. Our calculations predict that at RHIC energies the deconfinement signal will change from suppression to enhancement of J/ψ production. The dependence on centrality and total heavy quark population will serve as indicators for the presence of this new mechanism.
Rafelski Johann
Thews Robert L.
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