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A model describing the ORTEC GMX-30190-P coaxial n-type HPGe detector with a thin beryllium window was created. The absolute fullenergy peak efficiency calibration for measurements of activated ITER materials was… Click to show full abstract
A model describing the ORTEC GMX-30190-P coaxial n-type HPGe detector with a thin beryllium window was created. The absolute fullenergy peak efficiency calibration for measurements of activated ITER materials was performed in the gamma-energy range from 60 to 1836 keV using a semi-empirical approach employing Monte-Carlo-based efficiency transfer method. The validity of the model was shown by cross-checking against the experimental data obtained with a calibration standard of the same geometry. The additional correction factors for a self-absorption of gamma rays in different sample matrices were also calculated.
Journal Title: Acta Physica Polonica B
Year Published: 2019
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