On the breaking of Casimir scaling in jet quenching
Abstract
We study the breaking of Casimir scaling, , due to the evolution of jets in a hot and extended medium. By using JEWEL, a medium modified Monte Carlo event generator validated for a wide set of observables, we are able to study separately the development of quark and gluon-initiated jets produced back-to-back with a boson. Focusing on the distribution, we conclude first that the colour charge ratio is constant but larger than Casimir scaling for high jets. In addition, our results seem to indicate that the medium induced cascade is more similar between quarks and gluons, thus driving the overall medium shower scaling away from the vacuum expectation. Finally, we compare our results to another Monte Carlo generator and observe the same scaling violation.
Cite
@article{arxiv.2003.02893,
title = {On the breaking of Casimir scaling in jet quenching},
author = {Liliana Apolinário and João Barata and Guilherme Milhano},
journal= {arXiv preprint arXiv:2003.02893},
year = {2020}
}
Comments
Updated figures and text, minor changes no modification of the results, published version