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30 September 2018 to 5 October 2018
Aix-Les-Bains, Savoie, France
Europe/Zurich timezone

Universal quark/gluon ratio in medium-induced parton cascade

4 Oct 2018, 11:05
Aix-Les-Bains, Savoie, France

Aix-Les-Bains, Savoie, France

Aix-Les-Bains, Congress Center Student Lectures Day: September 30 at CERN
2a) Jets and high-pT hadrons (TALK) Parallel 2


Soeren Schlichting (University of Washington)


We investigate the radiative break-up of a highly energetic quark or gluon in a high-temperature QCD plasma. 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, within an inertial range of momenta T ≪ ω ≪ E, where E denotes the energy of the original hard parton (jet) and T the temperature of of the medium. We discuss implications of this result to jet quenching physics and the problem of thermalization of the quark-gluon plasma in heavy ion collisions.

Primary authors

Soeren Schlichting (University of Washington) Yacine Mehtar-Tani (INT, University of Washington)

Presentation materials