J/ψ production in Cu+Cu and Au+Au collisions at RHIC-PHENIX
نویسنده
چکیده
The J/ψ is considered to be among the most important probes for the deconfined quark gluon plasma (QGP) created by relativistic heavy ion collisions. While the J/ψ is thought to dissociate in the QGP by Debye color screening, there are competing effects from cold nuclear matter (CNM), feed-downs from excited charmonia and bottom quarks, and regeneration from uncorrelated charm quarks. Measurements that can provide information to disentangle these effects are presented in this paper.
منابع مشابه
Centrality Dependence of J/ψ Production in Au+Au and Cu+Cu Collisions by the PHENIX Experiment at RHIC
J/ψ production has been measured in Au+Au and Cu+Cu collisions at √ sNN = 200 GeV by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) during 2004 and 2005, respectively, at mid-rapidity (|η| ≤ 0.35) via J/ψ → ee decay and at forward rapidity (1.2 ≤ |η| ≤ 2.2) via J/ψ → μμ decay. The nuclear modification factor (RAA) of J/ψ is presented as a function of the collision centralit...
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