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Search for medium effects using jets from bottom quarks in PbPb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV

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arxiv 2210.08547 v3 pith:TATC5D2N submitted 2022-10-16 hep-ex nucl-ex

classification hep-exnucl-ex
keywords jetscollisionspbpbaxisbottomenergylargermathrm
verification ladder T0 review T1 audit T2 compute T3 formal
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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 $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV were recorded by the CMS detector at the LHC, with an integrated luminosity of 1.69 nb$^{-1}$. 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.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Measurement of forward jet suppression in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$$ TeV with the ATLAS detector

    nucl-ex 2026-08 accept novelty 6.0 of 10

    First measurement of jet suppression at forward rapidity in heavy-ion collisions shows strong centrality-dependent suppression of jet yields.

  2. Medium-induced modification of azimuthal correlations of electrons from heavy-flavor hadron decays with charged particles in Pb-Pb collisions at $\sqrt{s_{\rm{NN}} = 5.02}$ TeV

    nucl-ex 2025-07 accept novelty 6.0 of 10

    First Pb-Pb measurement of heavy-flavor electron-charged particle azimuthal correlations shows a near-side low-pT enhancement hint (1.27 sigma) and an away-side high-pT suppression (2.5 sigma) in central collisions.

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