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High Energy Physics - Phenomenology

arXiv:2108.04861 (hep-ph)
[Submitted on 10 Aug 2021 (v1), last revised 17 Oct 2022 (this version, v2)]

Title:Pole mass renormalon and its ramifications

Authors:Martin Beneke
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Abstract:I review the structure of the leading infrared renormalon divergence of the relation between the pole mass and the $\overline{\rm MS}$ mass of a heavy quark, with applications to the top, bottom and charm quark. That the pole quark mass definition must be abandoned in precision computations is a well-known consequence of the rapidly diverging series. The definitions and physics motivations of several leading renormalon-free, short-distance mass definitions suitable for processes involving nearly on-shell heavy quarks are discussed.
Comments: 23 pages, LaTex, contribution to EPJ ST "Renormalons and Hyperasymptotics in QCD"; v2: missing minus signs in tables 2 and 3 corrected
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: TUM-HEP-1358/21
Cite as: arXiv:2108.04861 [hep-ph]
  (or arXiv:2108.04861v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2108.04861
Related DOI: https://doi.org/10.1140/epjs/s11734-021-00268-w

Submission history

From: Martin Beneke [view email]
[v1] Tue, 10 Aug 2021 18:23:24 UTC (60 KB)
[v2] Mon, 17 Oct 2022 17:35:24 UTC (60 KB)
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