Strong Coupling Improved Equilibration In High Energy Nuclear Collisions

Details Strong Coupling Improved Equilibration In High Energy Nuclear Collisions Strong Coupling Improved Equilibration In High Energy Nuclear Collisions

1997-11-10

arxiv.org/abs/nucl-th/9711019v1

HEP97 Proceedings, Springer-Verlag, edited by D. Lellouch et al, p.631.

Physics

Nuclear Physics

Nuclear Theory

latex file, hep97 style, 4 embedded PS figures, talk presented at the International Europhysics Conference on High Energy Phys

Scientific paper

In high energy nuclear collisions, most calculations on the early equilibration of the parton plasma showed that the system does not come close to full equilibrium, especially for the fermion components. However, since the system is constantly evolving, the cooling effect due to expansion will lead to a decrease of the average parton energies. So the interactions should be enhanced by a corresponding increase of the running coupling. We show that this leads to a faster and improved equilibration. This improvement is more important for the fermions compensating partially for their weaker interactions and slower equilibration.

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