Hello
photonuclear and elecyronuclear interactions are not activated by default.
One has to include a PHOTONUC card.
In addition, since the photonuclear cross section is small, it is
recommended to increse the probability of this process through the
LAM-BIAS card
Hope this helps
Paola
> Hi friends:
>
> I was wondering why there is no neutron production in all the regions when
> I simulated electron (10GeV) shielding using high-density concrete. The
> DEFALUTS I used is PRECISIOn. (I did not set "LOW-NEUT" card or "PART-THR"
> card.)
>
> The simulation results using Geant4 indicated that the average energy of
> neutron, in this case, was about 20 MeV.
>
> Best,
> -------------
> Di Sun
> Graduate student
> Department of Nuclear Engineering and Radiological Sciences
> University of Michigan
>
Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148
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Received on Wed Feb 12 2020 - 10:13:20 CET