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Forum: Hadronic Processes
Re: Question SUSY particles (Ben)
Date: 19 Jul, 2007
From: Marc Verderi <Marc Verderi>

Hi,

Geant4 knows to deal "only" with ordinary particles (observed ones).

I almost SUSY ignorant, so please forgive the obvious questions below.

Are R-hadrons stable ? If so, then the particle-matter interactions for 
such particles would need to be implemented. That would be quite a work. 
Presumably, this will depend on the model(s), and as such, Geant4 can 
not provide the variety of models.

If they are unstable, with a lifetime that would not allow the particle 
to reach the first detector elements, then this would correspond to the 
typical use case of a generator, that will take care to decay the 
R-hadron, according to SUSY physics, into ordinary particles, that will 
be passed for tracking to Geant4.
For such generators, CMS experts will certainly help.

Cheers,
Marc

Ben a écrit :
> *** Discussion title: Hadronic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/hadronprocess/741"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
>
> Hi
>
> I'm trying to simulate the passage of SUSY particles (specificlly
> R-Hadrons) though the CMS detector - geant doesnt seem to know what to
> do with them and I notice they dont have definitions in the particles
> directory. Can anyone advise on where additions to the source code would
> need to be made in order to take account of these extra particles?
>
> Many Thanks,
>
> Ben Jones [Bristol]
>   


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1 None: RE: SUSY particles   (Makoto Asai - 19 Jul, 2007)
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