Resnuclei calculation error

Hi everyone, I’m trying to simulate experiment with thin layers when 75MeV electron beam hits aluminum target which produces photons. The goal is to calculate residual nucleus produced in Gold target at the end by the secondary photons. I’ve attached my input and flair files, Could you pls. check if everything is in order because when running it doesn’t seem run properly but finishes in few seconds.
Thank You
experiment-layers.zip (8.3 KB)

You gold region is 25 micron thick: in order to obtain some reasonable statistics, you definitely need a LAM-BIAS card to properly bias photonuclear reactions in gold.
Note also that the first PHOTONUC card is enough.

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Thank You Francesco. It works now.

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