Physics and Astronomy, Department of
Department of Physics and Astronomy: Faculty Publications
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Document Type
Article
Date of this Version
7-14-2023
Citation
PhysicsLettersB844(2023)137849. https://doi.org/10.1016/j.physletb.2023.137849
Abstract
The first study of the shapes of jets arising from bottom (b) quarks in heavy ion collisions is presented. Jet shapes are studied using charged hadron constituents as a function of their radial distance from the jet axis. Lead-lead (PbPb) collision data at a nucleon-nucleon center-of-mass energy of √sNN=5.02TeVwere recorded by the CMS detector at the LHC, with an integrated luminosity of 1.69nb−1. Compared to proton-proton collisions, aredistribution of the energy inbjets to larger distances from the jet axis is observed in PbPb collisions. This medium-induced redistribution is found to be substantially larger forbjets than for inclusive jets.
Comments
Open access.