Effects of jet-medium interactions on angular correlations of jet-particle pairs at different energy scales

Abstract

The energy-loss of hard probes within the hot and dense medium of a quark gluon plasma (QGP) can be described by theoretical models based on radiative energy loss as well as combinations of collisional and radiative energy loss. In a search for observables that allow to disentangle these energy-loss mechanisms, we introduced a set of effective models that allows to investigate the consequences on jets of both types of jet-medium interactions within a consistent framework. We particularly studied angular jet-broadening via angular two-particle correlations. Distinguishing contributions from pairs at different scales of particle momenta, we found qualitative differences between radiative and collisional approaches.

arXiv commentproceedings for a seminar talk at the "Hard Probes 2018" conference in Aix Les Bains, 4 pages, 1 figure

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