Quarkonia in anisotropic hot QCD medium in a quasi-particle model

Details Quarkonia in anisotropic hot QCD medium in a quasi-particle model Quarkonia in anisotropic hot QCD medium in a quasi-particle model

2010-06-21

arxiv.org/abs/1006.3995v2

Nucl.Phys.A848:330-340,2010

Physics

Nuclear Physics

Nuclear Theory

7 pages, two column, 2 figure, one figure added, references added, revised version, title modified

Scientific paper

10.1016/j.nuclphysa.2010.09.015

The fate of heavy quarkonia states has been investigated in QCD at high temperature when the plasma has a small momentum space anisotropy within a quasi-particle model. A real time static potential has been obtained from a Hard thermal loop expression for the gluon self-energy, by employing the quasi-parton equilibrium distribution functions extracted from hot QCD equations of state of $O(g^5)$ and $O(g^6\ln(1/g))$. Employing the potential, quarkonia melting has been studied. It is found that the equations of state and the momentum anisotropy cause significant modifications in the screening properties of the plasma.

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