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Medium-induced fragmentation and equilibration of highly energetic partons

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arxiv 2008.04928 v2 pith:WBJONXJK submitted 2020-08-11 hep-ph nucl-th

classification hep-phnucl-th
keywords energyequilibrationmediumprocessesback-reactiondescribeelasticenergetic
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abstract

We investigate the energy loss and equilibration of highly energetic particles/jets inside a QCD medium. Based on an effective kinetic description of QCD, including $2\leftrightarrow 2$ elastic processes, radiative $1\leftrightarrow 2$ processes, as well as the back-reaction of jet constituents onto the thermal medium, we describe the in-medium evolution of jets from the energy scale of the jet $\sim E$ all the way to the medium scale $\sim T $. While elastic processes and back-reaction are important to describe the equilibration of soft fragments of the jet, we find that the energy loss is dominated by an inverse turbulent cascade due to successive radiative branchings, which has interesting implications for the energy spectra and chemistry of jet fragments.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Jet broadening and radiation in the early anisotropic plasma in heavy-ion collisions

    hep-ph 2025-09 conditional novelty 7.0 of 10

    The full angle-dependent jet-medium collision kernel is extracted from QCD kinetic theory for the pre-equilibrium plasma, revealing strong early-time anisotropy and up to 300% error in the isotropic splitting rates us...

  2. An Equilibrating Parton Shower for Jet Quenching and Medium Response

    hep-ph 2026-07 conditional novelty 6.0 of 10

    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.

  3. Non-linear dynamics of jet quenching

    hep-ph 2024-11 conditional novelty 5.0 of 10

    Jet energy loss out of the cone is governed by a non-linear rate equation whose solution feeds a non-linear DGLAP evolution, enabling resummation of alpha_s ln(1/R), alpha_s ln(R/theta_c), and powers of alpha_s L.

  4. Jets: Hard-soft correlation -- Theory overview

    hep-ph 2025-04 unverdicted

    A review of recent theoretical progress on hard-soft correlations in jets, covering kinetic theory, x-scape-gim, TMD-based anisotropies, and color fluctuations.

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