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

Abstract

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.

15 double sided pages, 8 figures, 5 tables

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• Dissociation of heavy quarkonium in hot QCD medium in a quasi-particle model
• On the bulk viscosity of anisotropically expanding hot QCD plasma
• Transport properties of anisotropically expanding quark-gluon plasma within a quasi-particle model
• Quarkonia in anisotropic hot QCD medium in a quasi-particle model
• Heavy Quarkonia in a Potential Model: Binding Energy, Decay Width, and Survival Probability
• Heavy quark collisional energy loss in the quark-gluon plasma including finite relaxation time
• Impact of Medium Anisotropy on Quarkonium Dissociation and Regeneration
• Thermodynamic inconsistency in quasiparticle model - a revisit