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Warning G4FissLib issue 

Forum: Hadronic Processes
Date: 18 Aug, 2010
From: Cristian Bungau <Cristian Bungau>

Hi,

Some time ago I found an issue in G4NeutronHPFissionData.cc which resulted in the code (having the 232Th isotope inside the materials) crashing if used with $G4NEUTRONHP_SKIP_MISSING_ISOTOPES set to 1, (for geant4.9.3 onwards) because it stopped using the fission cross-section of 232U for 232Th (which in reality does not undergo fission). Please see bug report:

http://bugzilla-geant4.kek.jp/show_bug.cgi?id=1118

The bug was kindly fixed by Tatsumi Koi, by adding a safety check line to G4NeutronHPFissionData.cc, which is:

if ( ( ( *theCrossSections )( index ) )->GetVectorLength() == 0 ) return result;

Now that I have to use the G4FissLib model for fission, I ran into the same problem, and I don't know how to modify G4FissLib.cc in order to correct this.

I would be very grateful if you could please suggest a fix for G4FissLib.

Thank you very much,

Best regards,

Cristian

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