χPT Feynman rules

for pions and a photon source

Configuration: "ChPTPhoton2"
Lagrangians: ChPTPhoton2[2], ChPTPhoton2[4]

•Tree order amplitudes of second order in the chiral expansion

•ππγ

•Generation of coupling files

•ππγγ

•Generation of coupling files

•ππππγ

•Generation of coupling files

•ππππγγ

•Generation of coupling files

•Tree order amplitudes of fourth order in the chiral expansion

•ππγ

•Generation of coupling files

•ππγγ

•Generation of coupling files

Converted by Mathematica (July 10, 2003)