MCNP : spatial position of interactions

AI Thread Summary
Determining the position of interactions between photons and matter, particularly for Compton scattering, can be achieved using MCNPX. Users can utilize the "PTRAC" data card, which generates an output file detailing interaction locations. This feature also provides vector information that may assist in calculating the energy transferred from the photon to the electron. Several users have successfully employed this method for similar analyses. Utilizing PTRAC is recommended for those seeking detailed interaction data in MCNPX simulations.
chrl
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Hi, I'm new in this forum and I have a question about MCNPX.

I would like to determine the position of each interaction between photons and matter (specially by Compton scattering.) And I would like to know how much energy the incident photon gave to the electron.
Is it possible to do that with MCNP ? Somebody have already try to do something similar ?

Thank you for your help.
 
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chrl said:
Hi, I'm new in this forum and I have a question about MCNPX.

I would like to determine the position of each interaction between photons and matter (specially by Compton scattering.) And I would like to know how much energy the incident photon gave to the electron.
Is it possible to do that with MCNP ? Somebody have already try to do something similar ?

Thank you for your help.

Hey there,

I'm looking into a similar function of MCNP and I think you want to look into a data card called "PTRAC". This will output an additional file with the location of the interaction. I think this can also produce vector information that could potentially be useful for a hand computation of the energy deposited.

Hope this helps.
 
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