Gluon plasmon frequency near the light-cone

Details Gluon plasmon frequency near the light-cone Gluon plasmon frequency near the light-cone

1998-09-28

arxiv.org/abs/hep-ph/9809573v2

Nucl.Phys. B547 (1999) 239-256

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, REVTEX twocolumn, two postscript figures. Talk given at the 5th International Workshop on Thermal Field Theories and

Scientific paper

10.1016/S0550-3213(99)00054-1

Thermal perturbation theory based on the resummation scheme by Braaten and Pisarski suffers from unscreened collinear singularities whenever outer momenta become light-like. A recently proposed improvement of the hard thermal loops by an additional resummation of an asymptotic mass promises to solve this problem. Here we present a detailed investigation of the next-to-leading order plasmon self-energy. It demonstrates the applicability and consistency of the improved scheme.

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