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Forum: Event and Track Management
Re: Question Define the same volume as a region for thershold application and as a sensitive detector (Fisch Matthieu)
Date: 12 Jul, 2010
From: michel maire <michel maire>

On Mon, 12 Jul 2010 10:26:24 GMT, Fisch Matthieu wrote:
> Hello,
> 
> I need help because currently I try to simulate via Geant4 a
> backscattering of electrons from positron at very low energy (200eV).
> Then to have this process working, I used the penelope function with a
> definition of the volume for back scattering as a Region and after I
> define a setCut in the Physical List. It seems to work well but if I
> want to define at the same time the volume which is define has a region,
> as a sensitive detector, I have all the backscattering effect which
> disappear. Is that normal? Maybe we can't do this two definition at the
> same time on the same volume?
> 
> I begin currently with this program and I really need help.
> 
> Then thanks a lot for the help that you will give to me.
> 

  I think that, in this simple situation, you do not need the concept of region, nor sensitive detector.
  See document in attachment. 

    Cheers,  Michel

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2010/07/12/04.21-95382-scoring.txt

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