The imaginary part of the static gluon propagator in an anisotropic (viscous) QCD plasma

Details The imaginary part of the static gluon propagator in an anisotropic (viscous) QCD plasma The imaginary part of the static gluon propagator in an anisotropic (viscous) QCD plasma

2009-03-26

arxiv.org/abs/0903.4703v2

Phys.Rev.D79:114003,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 1 figure, final version, to appear in PRD

Scientific paper

10.1103/PhysRevD.79.114003

We determine viscosity corrections to the retarded, advanced and symmetric gluon self energies and to the static propagator in the weak-coupling "hard loop" approximation to high-temperature QCD. We apply these results to calculate the imaginary part of the heavy-quark potential which is found to be smaller (in magnitude) than at vanishing viscosity. This implies a smaller decay width of quarkonium bound states in an anisotropic plasma.

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