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Search for medium effects using jets from bottom quarks in PbPb collisions at ?sNN = 5.02 TeV

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.

 Fuente: Physics Letters B, 2023, 844, 137849

 Publisher: Elsevier

 Publication date: 01/09/2023

 No. of pages: 22

 Publication type: Article

 DOI: 10.1016/j.physletb.2023.137849

 ISSN: 0370-2693,1873-2445

 Publication Url: https://doi.org/10.1016/j.physletb.2023.137849