[Comphep-common] Store information about the resonant particle in LHE files

[Shilpi Jain]

Dear Experts,

Writing here again about the problem of storing the information of
the resonance particle to check which particles are coming from
the resonance particle. In my case (qq->e*e->eeee) it is which electrons
are coming from e*.

>From the manual I understand that it can be done using "cascade"
but that would be done in the zero width approximation.
Could you please suggest if there is some other way of including this information
without doing the zero width approximation?

Thanks & Regards,
Shilpi Jain

________________________________
From: Shilpi Jain
Sent: 18 October 2012 15:42
To: comphep-common at theory.sinp.msu.ru
Subject: Store mother of particle in LHE files

Dear Experts,

I want to store the mother of each particle in the produced LHE file for my process.
For eg, in qq~ -> eeEE, where e*/E* is the propagator, I would like to store
mother of electrons so that I can check later which electrons came from e*/E*.

Is it possible to do that in COMPHEP?

Thanks & Regards,
Shilpi
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