Peculiar features of the relations between pole and running heavy quark masses and estimates of the O(α_s^4) contributions

preprint2010arXivOpen access

Perturbative relations between pole and running heavy quark masses, defined in the Minkowski regions, are considered. Special attention is paid to the appearance of the kinematic $π^2$ -effects, which exist in the coefficients of these series. The estimates of order $O(α_s^4)$ QCD corrections are presented.

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Peculiar features of the relations between pole and running heavy quark masses and estimates of the O(α_s^4) contributions

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