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High Energy Physics - Phenomenology

arXiv:2312.11623 (hep-ph)
[Submitted on 18 Dec 2023 (v1), last revised 29 Feb 2024 (this version, v2)]

Title:On heavy-flavour jets with Soft Drop

Authors:Simone Caletti, Andrea Ghira, Simone Marzani
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Abstract:We study hadronic jets that are tagged as heavy-flavoured, i.e. they contain either beauty or charm. In particular, we consider heavy-flavour jets that have been groomed with the Soft Drop algorithm. In order to achieve a deeper understanding of these objects, we apply resummed perturbation theory to jets initiated by a massive quark and we perform analytic calculations for two variables that characterise Soft Drop jets, namely the opening angle and the momentum fraction of the splitting that passes Soft Drop. We compare our findings to Monte Carlo simulations. Furthermore, we investigate the correlation between the Soft Drop energy fraction and alternative observables that aim to probe heavy-quark fragmentation functions.
Comments: 22 pages, 7 figures. Mathematica notebooks are made available upon request. This version has been accepted for publication
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2312.11623 [hep-ph]
  (or arXiv:2312.11623v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2312.11623
Journal reference: Eur.Phys.J.C 84 (2024) 212
Related DOI: https://doi.org/10.1140/epjc/s10052-024-12562-7

Submission history

From: Simone Marzani [view email]
[v1] Mon, 18 Dec 2023 19:00:01 UTC (853 KB)
[v2] Thu, 29 Feb 2024 18:38:01 UTC (854 KB)
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