Answers are grounded in this paper and cite their sources.
The method of Mellin–Barnes representation is used to calculate dimensionally regularized massive on-shell double box Feynman diagrams contributing to Bhabha scattering at two loops.
No takes yet. Share an insight, caveat, or question.
Heinrich et al. (2004) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: