Charmonium systems after the deconfinement transition
Abstract
The behavior of charmonia after the deconfinement transition is investigated on quenched lattices. Analysis of temporal correlators on fine lattices at temperatures upto 3 Tc show that the J/psi and etac survive the deconfinement transition with little significant changes, and survive as bound states at least upto 2.25 Tc. The spatially excited chic states suffer serious system modifications, maybe dissolution, already a little above Tc.
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