No particle uv in the model

Asked by Balashangar Kailasapathy on 2020-01-07

I tried the FeynRules Tutorial and produced UFO.
Implementing the UFO in MadGraph.

The model wad loaded in the Madgraph and obtained following error while passing the command

check gauge g g > uv uv~

Command "check gauge g g > uv uv~" interrupted with error:
InvalidCmd : No particle uv in model

But in the model uv was already declared.

Thank you

Bast Regards
Bala

Question information

Language:
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Status:
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For:
MadGraph5_aMC@NLO Edit question
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Solved by:
Balashangar Kailasapathy
Solved:
2020-01-07
Last query:
2020-01-07
Last reply:
2020-01-07

what is the output of "import model YOUR_MODEL_NAME"
It should display the name of all particles as one of the last line.

Sometimes (but I do not think that this is your issue),
you might one to use this command instead:
import model YOUR_MODEL_NAME --modelname

the --modelname forces to follow the UFO convention for the model instead of using
MG5aMC convention for the name of the particles (note that you can change that MG5 convention by editing the input/particles_name_default.txt
As said, I do not think that this is your issue.

Cheers,

Olivier

> On 7 Jan 2020, at 11:17, Balashangar Kailasapathy <email address hidden> wrote:
>
> Question #687813 on MadGraph5_aMC@NLO changed:
> https://answers.launchpad.net/mg5amcnlo/+question/687813
>
> Description changed to:
> I tried the FeynRules Tutorial and produced UFO.
> Implementing the UFO in MadGraph.
>
> The model wad loaded in the Madgraph and obtained following error while
> passing the command
>
> check gauge g g > uv uv~
>
> Command "check gauge g g > uv uv~" interrupted with error:
> InvalidCmd : No particle uv in model
>
> But in the model uv was already declared.
>
> Thank you
>
> Bast Regards
> Bala
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

Thanks for the reply.
This is the output while importing the model

MG5_aMC>import model Tutorial_UFO
INFO: Change particles name to pass to MG5 convention
Kept definitions of multiparticles l- / j / vl / l+ / p / vl~ unchanged
Defined multiparticle all = g u c d s u~ c~ d~ s~ a ve vm vt e- mu- ve~ vm~ vt~ e+ mu+ t b t~ b~ z w+ h w- ta- ta+

Ah, I was wrong. I think I gave to go for g g > u u~

It works now. Thanks a lot