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Forum: Hits, Digitization and Pileup
Re: Question How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles? (Peter T.)
Date: 03 Mar, 2009
From: Tsukasa Aso <Tsukasa Aso>

Hi,

 I understand that your application needs to distinguish transmitting photon
without interactions from photons with interactions at the detector placed
behind the target.

 Compton scattering does not change the TrackID of the particle and its creator
process, we cannot directly identify the interaction after passing through 
the target. In this case, we have to introduce G4TrackInformation with user
parameters for keeping such information, i.e. a flag for presence of 
Compton scattering.

 If your requirement could be simplified as counting transmitting photons 
without interaction, then such photons will be identified by, 
for example, the vertex position, kinetic energy, and momentum direction. 
In this case, new SDFilter can be described for this purpose. 
Is this enough for your purpose?

T.Aso

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1 None: Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles?   (Peter T. - 04 Mar, 2009)
(_ None: Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles?   (michel maire - 04 Mar, 2009)
(_ None: Re: How to make G4MultiFunctionalDetector sensitive to only Compton scattered particles?   (Peter T. - 11 Mar, 2009)
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