Experimental validation of corrections factors for γ–γ and γ–X coincidence summing of 133Ba, 152Eu, and 125Sb in volume sources

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  • FOI - Swedisch Defense Research Agency - Division of Defense and Security

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True coincidence summing correction factors for 133Ba, 152Eu and 125Sb were determined experimentally for a small volume source and compared with correction factors obtained with three softwares (EFFTRAN-X, GESPECOR and VGSL). The radionuclides investigated have a relatively challenging decay scheme and their spectra are known to suffer from losses due to summation (γ–γ, γ–X and X–X) when measured at close distances on a HPGe detector sensitive to low energy photons. This study shows that the softwares were in good agreement with each other and the experimental data and the calculated activity was consistent with the activity in the volume source.


Original languageEnglish
Pages (from-to)465–472
Number of pages8
JournalJournal of Radioanalytical and Nuclear Chemistry
Publication statusPublished - 1 Jan 2020


  • Coincidence summing, EFFTRAN-X, GESPECOR, VGSL, Ba-133, Eu-152, Sb-125

ID: 5927007