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J/psi suppression by quark-gluon plasma formation

J/psi suppression by quark-gluon plasma formation,10.1016/0370-2693(86)91404-8,Physics Letters B,T. Matsui,H. Satz

J/psi suppression by quark-gluon plasma formation   (Citations: 114)
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If high energy heavy ion collisions lead to the formation of a hot quark-gluon plasma, then colour screening prevents cc binding in the deconfined interior of the interaction region. To study this effect, the temperature dependence of the screening radius, as obtained from lattice QCD, is compared with the J/psi radius calculated in charmomium models. The feasibility to detect this effect clearly in the dilepton mass spectrum is examined. It is concluded that J/psi suppression in nuclear collisions should provide an unambiguous signature of quark-gluon plasma formation.
Journal: Physics Letters B - PHYS LETT B , vol. 178, no. 4, pp. 416-422, 1986
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