Year: 2025
Type: preprint
Abstract: We obtain the collision kernel and related dipole cross section during the initial nonequilibrium stages in heavy-ion collisions. These quantities are a crucial input for jet quenching calculations. We further compute the gluon splitting rates in the AMY formalism resulting from this nonequilibrium kernel. Comparing with thermal and commonly used forms, we find that particularly the gluon splitting rate for parton energies of the order of the hard effective temperature significantly differs from these approximations.
Source: arXiv (Cornell University)
Institutions: TU Wien, Centre National de la Recherche Scientifique, Laboratoire de Physique Subatomique et des Technologies Associées, IMT Atlantique, Institut National de Physique Nucléaire et de Physique des Particules, Université de Nantes, Nantes Université, Massachusetts Institute of Technology
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Award: G4495373907
OpenAlex ID: W7084448011
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