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

The CMS collaboration

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2 Scopus citations

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=5.02TeV were recorded by the CMS detector at the LHC, with an integrated luminosity of 1.69nb−1. Compared to proton-proton collisions, a redistribution of the energy in b jets to larger distances from the jet axis is observed in PbPb collisions. This medium-induced redistribution is found to be substantially larger for b jets than for inclusive jets.

Original languageEnglish
Article number137849
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume844
DOIs
StatePublished - 10 Sep 2023

Keywords

  • Beauty quark
  • CMS
  • Heavy ion
  • Jet quenching
  • QGP
  • b jets

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