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Keywords: optical photon
Forum: Processes Involving Optical Photons
Date: 05 Dec, 2005
From: Ben Loer <Ben Loer>

Thanks for the advice. In investigating further, I realized that the offending
particle is actually a bremsstrahlung gamma (I'm unfamiliar with the optical 
modeling, so I assumed that was the culprit).  The track stayed within the volume 
in which it originated for the duration of its flight, but that volume is a
G4SubtractionSolid, and it did pass within a few tenths of a mm of the notch in the solid.
(I have no idea if that is at all relevant.) 
I can control the problem by checking to make sure that direction is not nan
in the UserSteppingAction and resetting it, but there is obviously something that I'm still doing wrong.

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1 More: Re: Stuck on error with optical photons   (Peter Gumplinger - 06 Dec, 2005)
(_ Feedback: Re: Stuck on error with optical photons   (Ben Loer - 07 Dec, 2005)
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