Abstract
The concept of representing a cylindrical detector volume as a virtual point detector in order to simplify the evaluation of the detector efficiency was proposed in the past for HPGe detectors in the case of measuring point sources. In the present work, the validity of the point detector model was studied and confirmed for the direct measurement of small volume sources, when using a common 7.5×7.5 cm2 NaI(T1) detector.
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Presler, R., Presler, O., German, U. et al. Interpolation and extrapolation of NaI detector efficiencies. J Radioanal Nucl Chem 273, 733–738 (2007). https://doi.org/10.1007/s10967-007-0939-x
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DOI: https://doi.org/10.1007/s10967-007-0939-x