Universal quark to gluon ratio in medium-induced parton cascade

Author:

Mehtar-Tani Yacine,Schlichting Soeren

Abstract

Abstract We investigate the radiative break-up of a highly energetic quark or gluon in a high-temperature QCD plasma. Within an inertial range of momenta TωE, where E denotes the energy of the original hard parton (jet) and T the temperature of the medium, we find that, as a result of the turbulent nature of the underlying parton cascade, the quark to gluon ratio of the soft fragments tends to a universal constant value that is independent of the initial conditions. We discuss implications of this result to jet quenching physics and the problem of thermalization of the quark-gluon plasma in heavy ion collisions.

Publisher

Springer Science and Business Media LLC

Subject

Nuclear and High Energy Physics

Reference41 articles.

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