Non-perturbative phenomena in jet modification

Abstract

The interaction of a jet with the medium created in heavy-ion collisions is not yet fully understood from a QCD perspective. This is mainly due to the non-perturbative nature of this interaction which affects both transverse jet momentum broadening and jet quenching. We discuss how lattice simulations of Electrostatic QCD, can be matched to full, four dimensional QCD, to determine non-perturbative contributions to the momentum broadening kernel. We determine the momentum broadening kernel in impact parameter and momentum space and finally show how these results can be used in phenomenological calculations of in-medium splitting rates.

Comments: 7 pages, 4 figures, contribution to the proceedings of "A Virtual Tribute to Quark Confinement and the Hadron Spectrum 2021", Aug. 2-6, 2021