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Forum: Processes Involving Optical Photons
Re: Question Distribution of Optical Photons (Angus HOLLANDS)
Date: 13 Dec, 2017
From: Daren Sawkey <Daren Sawkey>

Hi, there is a lot going on in your simulation so it is difficult to give specific advice. I would suggest dividing the simulation into components.

First, are the photons generated according to the FASTCOMPONENT (or SLOWCOMPONENT) spectrum you've defined in your DetectorConstruction? That is, before they interact. You could use a UserSteppingAction to record the energies. See the examples/extended/electromagnetic/TestEm examples for how to do this.

If the expected spectrum is generated, but not measured at the detector, try to understand what happens to the photons between scintillator and detector. Rayleigh, absorption, boundary reflection can all change the spectrum.

-- Daren.

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1 None: Re: Distribution of Optical Photons   (Angus HOLLANDS - 10 Jan, 2018)
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