arXiv:hep-ph/9912336·v1·High Energy Physics — Phenomenology
The Pinch Technique at Two Loops
Joannis Papavassiliou (FT Univ. Valencia)🇪🇸
Abstract
It is shown that the fundamental properties of gauge-independence, gauge-invariance, unitarity, and analyticity of the -matrix lead to the unambiguous generalization of the pinch technique algorithm to two loops.
Comments: 4 pages, uses Revtex, two figures in a separate ps file