Dependence of Five- and Six-Loop Estimated QCD Corrections to the Relation between Pole and Running Masses of Heavy Quarks on the Number of Light Flavors
- Authors: Kataev A.L.1,2, Molokoedov V.S.1,2,3
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Affiliations:
- Institute for Nuclear Research
- Moscow Institute of Physics and Technology (State University)
- Landau Institute for Theoretical Physics
- Issue: Vol 108, No 12 (2018)
- Pages: 777-782
- Section: Fields, Particles, and Nuclei
- URL: https://journals.rcsi.science/0021-3640/article/view/161356
- DOI: https://doi.org/10.1134/S0021364018240050
- ID: 161356
Cite item
Abstract
Various theoretical approaches are used to determine the dependence of the estimated x O(αs5) and O(αs6)-corrections to the quantum chromodynamics relation between pole and \(\overline {MS} \) running masses of heavy quarks on the number of light flavors. It is found that recently studied asymptotic formula for the coefficients of this relation, based on the infrared-renormalon method, does not reproduce sign-alternating structure in the flavor- dependence of the five and six-loop corrections, which holds in three other used by us approaches.
About the authors
A. L. Kataev
Institute for Nuclear Research; Moscow Institute of Physics and Technology (State University)
Author for correspondence.
Email: kataev@ms2.inr.ac.ru
Russian Federation, Moscow, 117312; Dolgoprudnyi, Moscow region, 141700
V. S. Molokoedov
Institute for Nuclear Research; Moscow Institute of Physics and Technology (State University); Landau Institute for Theoretical Physics
Email: kataev@ms2.inr.ac.ru
Russian Federation, Moscow, 117312; Dolgoprudnyi, Moscow region, 141700; Chernogolovka, Moscow region, 142432
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