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Forum: Physics List
Re: None Range cut is only for gamma, e-, e+? (ychen)
Date: 27 Mar, 2008
From: Vladimir IVANTCHENKO <vnivanch@mail.cern.ch>

On Wed, 26 Mar 2008, radon wrote:

> *** Discussion title: Physics List
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/phys-list/468"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> when I use DumpCutValueTable(), only the cuts for these three particles
> are shown. However, I want to put range cut for proton in a region to
> stop generate secondary particles for a particular energy. I was using
> same code:
> 
> cuts -> SetProductionCut(regionCut,G4ProductionCuts::GetIndex("gamma"));
> cuts -> SetProductionCut(regionCut,G4ProductionCuts::GetIndex("e-"));
> cuts -> SetProductionCut(regionCut,G4ProductionCuts::GetIndex("e+"));
> cuts ->
> SetProductionCut(regionCut,G4ProductionCuts::GetIndex("proton"));
> 
> no error for compile and run but I do not think the cut for proton was
> there. refer to Post 307, I was confused whether can I put the cut for
> proton? Is there any way to set energy cut/range cut for other
> particles? Thanks!
> 

Hello, 

Cuts are used by EM proceses for e+,e-, gamma only. For today there is no 
model which uses cuts for other particles.

In some cases (beam dump) it is reasonable to establish traking cut in 
a dead region of a setup - simply kill unwanded particles.

VI

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