two-photon scattering in e+e- collisions

Asked by Cesare Cazzaniga on 2021-03-10

Hello,

For my studies I would need to generate a two-photon scattering process in e+ e- collisions like:
       e+ e- -> gamma gamma e+ e- -> f+ f- e+ e-
Could you give me some suggestions on how to proceed ?

Many thanks in advance

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Solved by:
Cesare Cazzaniga
Solved:
2021-03-10
Last query:
2021-03-10
Last reply:
2021-03-10

I would do something like

generate a a > f+ f-
output
launch
set lpp 3 # PDF for elastic photon from electron beam
set ebeam ??? #energy of the electron beam
set fixed_scale ???
set no_parton_cut #if relevant

Cheers,

Olivier

> On 10 Mar 2021, at 15:30, Cesare Cazzaniga <email address hidden> wrote:
>
> New question #695973 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/695973
>
> Hello,
>
> For my studies I would need to generate a two-photon scattering process in e+ e- collisions like:
> c
> Could you give me some suggestions on how to proceed ?
>
> Many thanks in advance
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

Cesare Cazzaniga (ccazzaniga) said : #2

ok,

thanks