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|Title:||STEFFY - software to calculate nuclide-specific total counting efficiency in well-type gamma-ray detectors|
|Citation:||APPLIED RADIATION AND ISOTOPES vol. 70 no. 9 p. 2070-2074|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Contributions to Conferences|
|Abstract:||A software package is presented to calculate the total counting efficiency for the decay of radionuclides in a well-type gamma-ray detector. It is specifically applied to primary standardisation of activity by means of 4-pi-gamma-counting with a NaI(Tl) well-type scintillation detector. As an alternative to Monte Carlo simulations, the software combines good accuracy with superior speed and ease-of-use. It is also well suited to investigate uncertainties associated with the 4-pi-gamma-counting method for a variety of radionuclides and detector dimensions. In this paper, the underlying analytical models for the radioactive decay and subsequent counting efficiency of the emitted radiation in the detector are summarised.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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