Wave-function renormalization for the pion in SU(2) χPT with virtual photons

Configuration:  "ChPTVirtualPhotons2"
Lagrangians:  ChPTVirtualPhotons2[2], ChPTVirtualPhotons2[4]

•Preliminaries

•Two-vertex of second order in the chiral expansion

•Two-vertex of fourth order in the chiral expansion

•Loop contribution of fourth order in the chiral expansion

•Renormalization


Converted by Mathematica  (July 10, 2003)