•Generation of coupling files

mfacoll = MomentaCollect[melsimplified // Expand, ParticlesNumber -> 3, PerturbationOrder -> 2]

e^( ) p _ 2^μ _ 3 f _ (3 I _ 1 I _ 2)^(2) - e^( ) p _ 1^μ _ 3 f _ (3 I _ 1 I _ 2)^(2)

gencoup = GenericCoupling[mfacoll] ; gencoup

{e^( ) p _ 1 _ μ _ 3, e^( ) p _ 2 _ μ _ 3}

classcoup = ClassesCoupling[mfacoll] // Together ; classcoup // StandardForm

{{-SU2F[3, I1, I2]}, {SU2F[3, I1, I2]}}

$VeryVerbose = 2 ;

CheckF[gencoup, XName[VertexFields -> {Pion[0], Pion[0], Photon[0]}, PerturbationOrder -> 2, PhiModel -> ChPTPhoton2, XFileName -> Automatic] <> ".Gen"] ;

Using file name D:\\Program Files\\Wolfram Research\\Mathematica\\4.1\\AddOns\\Applications\\HighEnergyPhysics\\Phi\\CouplingVectors\\ChPTPhoton2P20P20V10o2.Gen

File does not exist, evaluating

Saving

CheckF[classcoup, XName[VertexFields -> {Pion[0], Pion[0], Photon[0]}, PerturbationOrder -> 2, PhiModel -> ChPTPhoton2, XFileName -> Automatic] <> ".Mod"] ;

Using file name D:\\Program Files\\Wolfram Research\\Mathematica\\4.1\\AddOns\\Applications\\HighEnergyPhysics\\Phi\\CouplingVectors\\ChPTPhoton2P20P20V10o2.Mod

File does not exist, evaluating

Saving

$VeryVerbose = 0 ;

Converted by Mathematica  (July 10, 2003)