Relativistic Heavy Ion Reactions – New Data, Analaysis and ModelsNo Access

HEAVY-QUARKONIA IN THE STAR EXPERIMENT

for the Star Collaboration

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and

MAURO R. COSENTINO

Instituto de Física, University of São Paulo, Rua do Matão, 187 – travessa R – São Paulo, SP 05508-090, Brazil

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https://doi.org/10.1142/S021830130700880XCited by:0 (Source: Crossref)

Abstract

Heavy Quarkonium states modifications in relativistic heavy ion collisions have been of great interest since the proposal by Matsui and Satz of J/ψ suppression as a signature of Quark-Gluon Plasma (QGP) formation. Recent studies suggest that the excited states χc, ψ(2S) and ϒ(3S) melt sequentially^1,2 and the amount of observed suppression depends on the state and medium conditions. Therefore, this suppression pattern may be used as a probe of the medium temperature. In this work we present preliminary results on the charmonium and bottomnium measurements performed by the STAR experiment at RHIC for p + p and Cu + Cu collisions at .

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