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None Refraction and fluorescence 

Forum: Processes Involving Optical Photons
Date: Feb 27, 03:40
From: Oliver Wenman <Oliver Wenman>

Hi all,

*I have posted this in the EM physics section but this applies to optical just as much*

I am working on a simulation to do with X-ray tomography. It can currently record absorption and full-mapping fluorescence data using the gamma particle and EM physics. It can also simulate refraction using the opticalphoton with the refraction data I've supplied to the materials.

I need to be able to simulate full-mapping fluorescence with refraction physics. Is this possible via Geant4? From my understand is that the two processes use different particles (gamma and opticalphoton) to simulate the two processes even though the particle should be able to do both?

The only way I can think of doing it is using an opticalphoton as the first particle to trace the path. Then firing a gamma particle with the same properties. But when it enters a volume with different density, I manually modify the momentum direction of the gamma somehow in the G4Track to the direction of the opticalphoton took if the particle doesn't go through an absorption, scattering or fluorescence process.

However this seems overly complicated and computational expensive to even attempt to do it this way.

Dam particle-wave duality :(

Anyone have any suggestions or ideas?

Thanks,

Oli

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