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

Configuration:  "ChPTEM2"
Lagrangians:  ChPTEM2[2], ChPTEM2[4]

•Preliminaries

•Tree contributions

•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

•Generation of the topology and insertion of the field

•Calculation and reduction of the amplitude

•Renormalization


Converted by Mathematica  (July 10, 2003)