Dear Vladyslav,
It's quite big the expression of the squared amplitude because
I'm working with a SUSY model generated by SARAH (munuSSM) , here is a piece of it
\phi(p, MassChi(4))(\gamma^6 \gamma^{$AL($191)}(1/2(iCTW g2 IndexSum(UV(4,j1)*UV(j2,1),{j1,3})+1/2 i g1 STW IndexSum(UV(4,j1)*UV(2,j1),{j1,3})+1/2 i CTW g2 UV(4,6)* UV(2,6) + 1/2 i g1 STW UV(4,6)* UV(2,6) - 1/2 i CTW g2 UV(4,7)*UV(2,7)- 1/2 i g1 STW UV(4,7)*UV(2,7))) + \gamma^7 \gamma^{$AL($191)}(the same but *) (\phi(k1, MassChi(2)))
Thank you very much for your answer,
Cheers,
Paulina
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