arXiv:hep-lat/9710074·v1·High Energy Physics — Lattice
High-precision computation of two-loop Feynman diagrams with Wilson fermions
Stefano Capitani🇩🇪 · Sergio Caracciolo🇮🇹 · Andrea Pelissetto🇮🇹 · Giancarlo Rossi🇮🇹
Abstract
We apply the coordinate-space method by Luescher and Weisz to the computation of two-loop diagrams in full QCD with Wilson fermions on the lattice. The essential ingredient is the high-precision determination of mixed fermionic-bosonic propagators.
Comments: Talk presented at Lattice '97 (Theoretical Developments), Edinburgh (UK), July 1997. LaTeX2e, 3 pages, uses espcrc2. Report DESY 97-182