CalcHEP

ISR for laser photons

Asked by Ribella

Hi,

I want to calculate gam gam -> e- e+ where gam is laser photons. Can I include Initial state radiation (ISR) effects in my calculations for this process?

Best Regards,

Murat

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Alexander Pukhov
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Best Alexander Pukhov (pukhov) said : 		#1

On 5/23/21 10:30 PM, Ribella wrote:
> New question #697210 on CalcHEP:
> https://answers.launchpad.net/calchep/+question/697210
>
> Hi,
>
> I want to calculate gam gam -> e- e+ where gam is laser photons. Can I include Initial state radiation (ISR) effects in my calculations for this process?

I think, not. It  is  included in soft part of laser photons.

Best

     Alexander Pukhov

>
>
> Best Regards,
>
> Murat
>

Revision history for this message
Ribella (ribella) said : 		#2

Thanks Alexander Pukhov, that solved my question.