Jul 23 – 27, 2018
US/Eastern timezone

Seminar: Jet fragmentation in a QCD plasma: Universal quark/gluon ratio and wave turbulence

Jul 26, 2018, 11:00 AM



2nd floor Physics Department


Soeren Schlichting (University of Washington)


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 T ? << p << ? E, where E denotes the energy of the original hard parton (jet) and T the temperature of 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.

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