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Feedback Re: optical photon self-absorption in scintillator 

Keywords: optical photon wavelength shift
Forum: Processes Involving Optical Photons
Date: 20 Oct, 2006
From: Gumplinger Peter <Gumplinger Peter>

Hi Benton,

G4MaterialPropertyVector.cc

generates the message when:

        if (aPhotonMomentum < PMmin)
        {
                G4cout << "\nWarning: G4MaterialPropertyVector::GetProperty";
                G4cout << "\n==> attempt to Retrieve Property below range"
                << G4endl;
                return minProp;
        }

May I suggest that you change this in your copy to print out both 'aPhotonMomentum' and 'PMin' when the warning is issued.

> A final note: Since the absorption and re-emission probability is not
> always unity (not every photon is re-emitted) it could be nice to add in
> an "EFFICIENCY" tag or something similar to G4OpWLS to account for this.

Thanks for the suggestion - good point - I'll keep it in mind,

Peter

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