Name: V. Shtabovenko Date: 07/06/20-12:06:47 PM Z
Dear Francesco,
judging from
>> In order to make the option paint work I had to use both my new
.mod .gen and setting the option SetOptions[FourVector,
FeynCalcInternal -> False];
>>
I think that you are missing
FAPatch[PatchModelsOnly -> True];
cf. e.g.
https://feyncalc.github.io/FeynCalcExamplesMD/Phi3/OneLoop/Renormalization
Cheers,
Vladyslav
Am 06.07.20 um 11:56 schrieb Francesco:
> Dear all,
>
> I am new to FeynCalc and I want to use it to calculate NLO cross
section for new Physics. I have my .fr rules which I used to generate
UFO and FeynArts model files. Now I need to do something
analytically.
>
> In order to make the option paint work I had to use both my new .mod
.gen and setting the option SetOptions[FourVector, FeynCalcInternal
-> False];
>
> In my model the SM is embedded so I was learning and testing it with
some know process like qg->qg scattering at LO
(https://feyncalc.github.io/FeynCalcExamplesMD/QCD/Tree/QGl-QGl).
>
> I can draw the diagrams but when it comes to calculate the amplitude
I get this error:
>
> SharedObjects::failmsg: Error! FeynCalc has encountered a fatal
problem and must abort the computation. The problem reads: SUNFIndex is
not allowed inside SUNIndex
>
> What am I missing? what do I have to change so that the contraction
works?
>
> Thanks a lot,
> Francesco.
>