Ronald S. Forsyth

• A gamma scanner using a Ge(Li) semi-conductor detector
• A study of the "384" KeV complex gamma emission from plutonium-239
• Burn-up determination by high resolution gamma spectrometry
• The non-destructive determination of burn-up by means of the Pr-144 2.18 MeV gamma activity
• Use of the fission product Ru-106 gamma activity