QCD factorization and universality of jet cross sections in heavy-ion collisions

Qiu, Jian-Wei and Ringer, Felix and Sato, Nobuo and Zurita, Pia (2021) QCD factorization and universality of jet cross sections in heavy-ion collisions. NUCLEAR PHYSICS A, 1005: 121853. ISSN 0375-9474, 1873-1554

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Abstract

We review a recently proposed phenomenological framework to establish the notions of QCD factorization and universality of jet cross sections in the heavy-ion environment. We present first results of a global analysis of the nuclear modification factor for inclusive jets and extract medium modified jet functions using a Monte Carlo sampling approach. We observe that gluon jets are significantly more suppressed than quark jets, including for example jet substructure observables which will eventually allow us to test universality. We study the jet radius dependence of the inclusive jet cross section in heavy-ion collisions and comment on a recent measurement from CMS. We expect that the presented results will eventually allow for extractions of medium properties with a reduced model bias.

Item Type: Article
Uncontrolled Keywords: ; Jets; QCD factorization; heavy-ion collisions
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 13 Sep 2022 06:50
Last Modified: 13 Sep 2022 06:50
URI: https://pred.uni-regensburg.de/id/eprint/47256

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