Charmonium in a weakly coupled quark-gluon plasma
Daphne Levin-Plotnik, Benjamin Svetitsky
Abstract
We present a model of charmonium as two heavy quarks propagating classically in a weakly coupled quark-gluon plasma. The quarks interact via a static, color-dependent potential and also suffer collisions with the plasma particles. We calculate the radiation width of the color octet state (for fixed, classical q q separation) and find that it is long-lived provided a finite gluon mass is used to provide a threshold energy.
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