form factor

Asked by Ribella on 2021-06-01

Hi,

With Madgragh5, I want to add a form factor to anomalous quartic gauge couplings so that they violate the unitary at high energy. However, I didn't quite understand how to include the information in the add to form factor part in the anomalous vertices. Here, I would appreciate if you could give an example of adding a form factor to any coupling in the presence of anomalous couplings for the process p p > w+ z a.

Best Regards

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Olivier Mattelaer (olivier-mattelaer) said :
#1

Here is the information about that topic:

https://cp3.irmp.ucl.ac.be/projects/madgraph/wiki/FormFactors

Cheers,

Olivier

> On 1 Jun 2021, at 18:45, Ribella <email address hidden> wrote:
>
> New question #697342 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/697342
>
>
> Hi,
>
> With Madgragh5, I want to add a form factor to anomalous quartic gauge couplings so that they violate the unitary at high energy. However, I didn't quite understand how to include the information in the add to form factor part in the anomalous vertices. Here, I would appreciate if you could give an example of adding a form factor to any coupling in the presence of anomalous couplings for the process p p > w+ z a.
>
> Best Regards
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

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