Liu, B (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
The energy spectra of heavy quark bound states are analyzed by using different quark binding potentials. The critical screening masses for J/Psi dissociation are calculated. The leptonic decay width of J/Psi in the hot and dense matter is obtained. (C) 1998 Published by Elsevier Science B.V. All rights reserved.