J/ψ supressions in a thermally equilibrating quark-gluon plasma at RHIC | Zendy

Gouranga C. Nayak | Zendy

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J/ψ supressions in a thermally equilibrating quark-gluon plasma at RHIC

Author(s) -

Gouranga C. Nayak

Publication year - 1998

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/1998/02/005

Subject(s) - physics , quark–gluon plasma , plasma , particle physics , nuclear physics , heavy ion , gluon , quantum chromodynamics , absorption (acoustics) , quark , ion , quantum mechanics , acoustics

We estimate the survival probability of $J/{\psi}$ in relativistic heavy-ioncollisions, using both short-distance QCD and nuclear absorption mechanism. Thesuppression is found to be almost 100 percent for a thermally equilibratingquark-gluon plasma. The measurement of such a huge suppression of $J/{\psi}$may suggest the existence of a deconfined partonic medium, possibly athermalised quark-gluon plasma, at RHIC.Comment: Revised Version: Published in Journal of High Energy Physics 02(1998) 00

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