|Message: Re: Problem with CLHEP RandGeneral||Not Logged In (login)|
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Thank you for your reply, you'r right!
The error comes from the fact that IntegralPdf must be a positive number, but the error source comes from the Firsov scattering code itself.
The probability is very low and this doesn't affect the final result, but in some cases the angular probability distribution takes a negative number in the square root with a resulting non sense IntegralPdf (and the run crashes!).
I know that there is a forum dedicated to hadronic processes, but I take the opportunity to ask you your opinion about this:
The Firsov scattering is not implemented in the GEANT4 code, but it can be downloaded from
In order to use it, I have updated the code to the current GEANT4 release and now I have corrected the bug described above. Is there some place where I can upload the corrected code for the community use?
Thank you in advance for your time!
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