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Universal quark to gluon ratio in medium-induced parton cascade
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Universal quark to gluon ratio in medium-induced parton cascade
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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 $T \ll \omega \ll E$, 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.
Forward citations
Cited by 2 Pith papers
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Deriving a parton shower for jet thermalization in QCD plasmas
New parton-shower algorithm that exactly reproduces linearized EKT dynamics for jet thermalization including recoils, holes, quantum statistics and merging.
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An Equilibrating Parton Shower for Jet Quenching and Medium Response
A parton shower derived from QCD effective kinetic theory reproduces the full linearized Boltzmann equation and generates jet wakes, Mach-cone-like structures, and two-particle correlations.
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