J/Psi Suppression in Pb-Pb Collisions: A Hint of Quark-Gluon Plasma Production?

Details J/Psi Suppression in Pb-Pb Collisions: A Hint of Quark-Gluon Plasma Production? J/Psi Suppression in Pb-Pb Collisions: A Hint of Quark-Gluon Plasma Production?

1996-06-10

arxiv.org/abs/hep-ph/9606289v1

Phys.Rev.Lett.77:1703-1706,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, revtex, 3 postscript figures included

Scientific paper

10.1103/PhysRevLett.77.1703

The NA50 Collaboration has recently observed a strong suppression of J/Psi production in Pb-Pb collisions at 158 Gev/n. We show that this recent observation finds a quantitative explanation in a model which relates the suppression mechanism to the local energy density, whose value is higher in Pb-Pb collisions than in any other system studied previously. The sensitivity of the phenomenon to small changes in the energy density could be suggestive of quark-gluon plasma formation.

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