Equation of state of a strongly-interacting QGP and charmonium suppression

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Théâtre National (Centre Bonlieu)

Théâtre National

Centre Bonlieu

Poster Heavy flavor and quarkonia production


Dr binoy patra (Indian Institute of Technology Roorkee)


Recently we have developed the equation of state for a strongly interacting quark-gluon plasma in the framework of strongly-coupled QED plasma by incorporating the non-perturbative effects in terms of nonzero string tension in the deconfined plasma phase, unlike the Coulomb interactions alone. Our results on thermodynamic observables {\em viz.} pressure, energy density, speed of sound etc. nicely fit with the lattice equation of state for gluon, massless and as well {\em massive} flavored plasma. Motivated by this agreement with lattice results, we have employed our equation of state to estimate the quarkonium suppression in an expanding, dissipative strongly interacting QGP produced in relativistic heavy-ion collisions and our prediction matches exactly with the recent PHENIX data on the centrality dependence of $J/\psi$ suppression in Au+Au collisions at BNL RHIC. We have also predicted for the $\Upsilon$ suppression in Pb+Pb collisions at LHC energy which could be tested cleanly in the ALICE experiments at CERN LHC.

Primary author

Dr binoy patra (Indian Institute of Technology Roorkee)


Mr Vineet Agotiya (Indian Institute of Technology Roorkee)

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