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<p>A new algorithm for calculation of true coincidence summing correction factors has been developed for the Genie software suite, a nuclear material characterization software packaged offered by Mirion Technologies. The calculated correction factors have been compared to measured correction factors for eight single-radionuclide standard sources as well as calculated correction factors from Monte-Carlo simulations using the G4ARES framework based on Geant4 and MCNP-CP. The calculated correction factors agree to within a few percent with each other and with the measured correction factors within 5% for most emissions, while a few emissions have up to 10% difference. Radionuclides decaying with electron capture and/or having high internal conversion coefficients were the most challenging radionuclides.</p>

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Validation of a new true coincidence summing correction algorithm for Genie to Monte-Carlo simulations and measurements

  • 期刊论文

  • 发表日期：

    2025年11月18日

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  • Henrik Persson,
  • Brian C. Archambault,
  • Erin C. Good,
  • Lawrence R. Greenwood,
  • Kara E. Phillips,
  • Bruce D. Pierson

摘要

A new algorithm for calculation of true coincidence summing correction factors has been developed for the Genie software suite, a nuclear material characterization software packaged offered by Mirion Technologies. The calculated correction factors have been compared to measured correction factors for eight single-radionuclide standard sources as well as calculated correction factors from Monte-Carlo simulations using the G4ARES framework based on Geant4 and MCNP-CP. The calculated correction factors agree to within a few percent with each other and with the measured correction factors within 5% for most emissions, while a few emissions have up to 10% difference. Radionuclides decaying with electron capture and/or having high internal conversion coefficients were the most challenging radionuclides.