A discussion on leading renormalon in the pole mass

Abstract

Perturbative series of some quantities in quantum field theories, such as the pole mass of a quark, suffer from a kind of divergence called renormalon divergence. In this paper, the leading renormalon in the pole mass is investigated, and a map is introduced to suppress this renormalon. The inverse of the map is then used to generate the leading renormalon and obtain an expression to calculate its overall normalization. Finally, the overall normalization of the leading renormalon of the pole mass is calculated for several values of quark flavors.

The published version; speculations about higher order renormalons are removed

References in corpus (2)

• Infrared Renormalization Group Flow for Heavy Quark Masses
• The bottom quark mass from the ${\rm Y}(1S)$ system at NNNLO

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