aMC@NLO with a custom model

Hi Michele,

Your model doesn't have the information required in order to do NLO QCD.
Compare to standard UFO Model, the Model needs some additional analytical information (R2/UV/...) which are need
to be include in the model. FR is developing a new version which is going to provide this information.
A status report on the work of FR will be given tomorrow:
https://indico.cern.ch/conferenceTimeTable.py?confId=223649#20130513

> So, in the end, I don't want to have loop corrections of my new interaction, but just QCD NLO.

This I don't understand, indeed QCD NLO includes loop corrections.
If you want to have only the virtual (which means that you have to provide your own virtual, you can do
> generate p p > t t~ [real=QCD]

Cheers,

Olivier

On May 14, 2013, at 4:01 AM, Michele Pinamonti <email address hidden> wrote:

> New question #228827 on MadGraph5:
> https://answers.launchpad.net/madgraph5/+question/228827
>
> Dear all,
> I have a custom model for an effective ggt interaction (Effective_GluonTops_UFO), which worked fine with MadGraph 5 v1.9, and I would like to use it in this new version v2 beta. What I would like to do is to consider a NLO QCD + this effective interaction.
> But when I try:
> MG5>import model Effective_GluonTops_UFO
> and then
> MG5>generate p p > t t~ [QCD]
> I get
> You are entering aMC@NLO with a model which does not support loop corrections.
> Command "generate p p > t t~ [QCD]" interrupted with error:
> InvalidCmd : The model Effective_GluonTops_UFO cannot handle loop processes
> ...
> and it crashes.
> So, in the end, I don't want to have loop corrections of my new interaction, but just QCD NLO.
> It should be like having NLO QCD + LO QED, right?
> Let me know if I'm missing something and may be if there is a simple way to fix it...
>
> Thanks a lot!
>
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