Asymptotic Expansions of Feynman Diagrams on the Mass Shell in Momenta and Masses

TL;DR

This paper provides explicit formulas for the asymptotic behavior of Feynman diagrams when momenta and masses become large, specifically in cases where external legs are on the mass shell, aiding in quantum field theory calculations.

Contribution

It introduces explicit asymptotic expansion formulas for Feynman diagrams under typical on-shell momentum and mass limits, advancing theoretical understanding.

Findings

Explicit asymptotic expansion formulas derived

Applicable to Feynman diagrams with on-shell external legs

Enhances precision in quantum field theory approximations

Abstract

Explicit formulae for asymptotic expansions of Feynman diagrams in typical limits of momenta and masses with external legs on the mass shell are presented.