Charmonium suppression in the presence of dissipative forces in a strongly coupled quark-gluon plasma

Details Charmonium suppression in the presence of dissipative forces in a strongly coupled quark-gluon plasma Charmonium suppression in the presence of dissipative forces in a strongly coupled quark-gluon plasma

2009-12-22

arxiv.org/abs/0912.4270v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 double sided pages, 8 figures, 5 tables

Scientific paper

We study the survival of charmonium states in a strongly-coupled quark-gluon plasma in the presence of dissipative forces. We consider first-order dissipative corrections to the plasma equation of motion in the Bjorken boost-invariant expansion with a strongly-coupled equation of state for QGP and study the survival of these states with the dissociation temperatures obtained by correcting the full Cornell potential not its Coulomb part alone with a dielectric function encoding the effects of deconfined medium. We further explore the sensitivity of prompt and sequential suppression of these states to the shear viscosity-to-entropy density ratio, $\eta/s$ from perturbative QCD and AdS/CFT predictions. Our results show excellent agreement with the recent experimental results at RHIC.

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