problems with creating UFO in Feynrules

Asked by Emidio Gabrielli on 2021-05-20

I am using mathematica 12.2 and I am now having problems in generating UFO via Feynrules, from a previously working file.fr. I wonder if it is something related to my file.fr or the new version of mathematica.

To be sure, I checked one available example of .fr file for a new physics model on feynrules website. When I load it with SM one, using command LoadModel["SM.fr","NPmodel.fr" ] it gives a lot of warnings and some of them sound mistakes. Moreover, it gets stuck in kind of loop when I am trying as next step to generate the UFO.

Could the cause be due to the new version of mathematica 12.2 which is not compatible with Feynrules ?

Thanks!

Best regards, Emidio Gabrielli

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Olivier Mattelaer (olivier-mattelaer) said :
#1

Please send an email to FeynRules author.
Here we provide support for MadGraph5_aMC@NLO and I will not be able to help concerning FeynRules (I do not even have mathematica on my machine).

Sorry,

Olivier

> On 20 May 2021, at 19:50, Emidio Gabrielli <email address hidden> wrote:
>
> New question #697170 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/697170
>
> I am using mathematica 12.2 and I am now having problems in generating UFO via Feynrules, from a previously working file.fr. I wonder if it is something related to my file.fr or the new version of mathematica.
>
> To be sure, I checked one available example of .fr file for a new physics model on feynrules website. When I load it with SM one, using command LoadModel["SM.fr","NPmodel.fr" ] it gives a lot of warnings and some of them sound mistakes. Moreover, it gets stuck in kind of loop when I am trying as next step to generate the UFO.
>
> Could the cause be due to the new version of mathematica 12.2 which is not compatible with Feynrules ?
>
> Thanks!
>
> Best regards, Emidio Gabrielli
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

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