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Forum: Hits, Digitization and Pileup
Re: Question How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles? (Peter T.)
Re: None Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles? (Tsukasa Aso)
Re: None Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles? (Peter T.)
Date: 04 Mar, 2009
From: michel maire <michel maire>

On Wed, 04 Mar 2009 14:38:01 GMT, Peter T. wrote:
> Hello Michel and Tsukasa,
> 
> thank you very much for your replies! The TestEm5 example has pretty
> much everything I need. Excellent!
> 
> The simulation setup as I described it is supposed to be only the first
> step. Tsukasas suggestion would be fine for that.
> 
> In the next step I would like to simulate the response of a gas filled
> ionization chamber to the gamma that enter it. Clearly, I would not want
> to track the generated electrons. 

  I am not sure to understand your question. If you want to simulate the   response (eg the signal) of the detector, it is proportional to energy deposit in the gas. And only electrons can give energy deposit. So you must generate, track electrons and collect their energy deposition.

  Do I miss something ?

> But what property that I can extract
> from the simulation would give me an estimate for the response of this
> type of detector? Is it the "energy deposit in the absorber" or a there
> properties that would give a better description?

  Do you mean that you only want to count the number of cases where incident gamma does Compton interction ?

 Have a look in SteppingAction of TestEm13, 14, or 1 (see README of each example)

             Michel

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1 None: Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles?   (Peter T. - 11 Mar, 2009)
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