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  • Letter
  • Open Access

Seeing beauty in the quark-gluon plasma with energy correlators

Carlota Andres1,2, Fabio Dominguez3, Jack Holguin1,4, Cyrille Marquet1, and Ian Moult5

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Phys. Rev. D 110, L031503 – Published 30 August, 2024

DOI: https://doi.org/10.1103/PhysRevD.110.L031503

Abstract

Heavy quarks created in heavy-ion collisions serve as an excellent probe of the produced quark-gluon plasma (QGP). The radiation pattern of jets formed from heavy quarks as they traverse the QGP exhibits a particularly interesting structure due to the interplay of two competing effects: the suppression of small-angle radiation, also known as the “dead-cone” effect, and the enhancement of emitted gluons by medium-induced radiation. In this Letter, we propose a new observable, based on the energy correlator approach to jet substructure, which will allow us to disentangle the two scales associated to these two phenomena and to determine under which conditions the dead cone is filled by medium-induced radiation. Combined with the forthcoming high-statistics measurements of heavy-flavor jets, this work provides a novel tool to unravel the dynamics of the QGP.

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Phys. Rev. D 110, L031503– Published 30 August, 2024
  • Received 22 August 2023
  • Accepted 2 August 2024
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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