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Forum: Processes Involving Optical Photons
Re: Question optical photons and G4VPVParameterisation (Jelena Ilic)
Re: Feedback Re: optical photons and G4VPVParameterisation (Gumplinger Peter)
Date: 11 Oct, 2014
From: Jelena Ilic <Jelena Ilic>

Dear Peter,

The number of scintillation photons is similar in both cases.  I looked where the photons are going, and in the case when I use G4VPVParameterisation they practically all get absorbed at boundaries. For example:

With Parametrized ScitTubes (for 200 MeV e-):
-----------------------------
Total energy deposition in scintillator : 1694.35 (keV)
Number of photons produced by scintillation in this event : 19453
Number of Scint photons absorbed (OpAbsorption) in this event : 26
Number of Scint  photons absorbed at boundaries (OpBoundary) in this event : 19422
Number of Scint photons exiting calo: 5


For this stage of my analysis is not so crucial to have the number of scintillation photons exiting calorimeter, I'm just worried that I might have some bug in my code that I do not understand.

Cheers,
Jelena

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