Radionuclide wise photon release rate after activation

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Dear @riya,

  1. Yes, what you are assuming is correct, you should just get a peak in the RESNUCLE. It means that you are probably missing something in your input. Possibilities:
  • Are you using the USERWEIG card with USRRNC option?

https://flukafiles.web.cern.ch/manual/chapters/user_routines/user_routines/usrrnc.html?highlight=usrrnc

  • Are you compiling properly fluka with your routine?

  1. Yes, you have to get the IS = 1 to obtain the Tc 99m.

  2. It is in the link I added above :slight_smile:

Best,
André