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Research Paper | Physics Science | Nigeria | Volume 4 Issue 8, August 2015
Energy and Efficiency Calibrations for High Purity Germanium GEM30195 Coaxial Detector USING k0-IAEA Software
Joseph E. [2] | Nasiru R. | Sadiq U. | Ahmed [861] | Y. A. [10]
Abstract: We have applied k0-IAEA software in this study to calibrate the high-purity coaxial detector (HPGe) GEM 30195 (ORTEC) at the Nigeria Research Reactor-1 (NIRR-1) laboratory, Centre for Energy Research and Training (CERT), Ahmadu Bello University, Zaria for use in the analysis of various samples. In order to achieve this, we first performed the energy calibration, plotted the energy calibration curves, and after that performed the full peak energy efficiency (FEPE) of the detector using two standard sources 137Cs and 152Eu at 15cm and 2cm geometries, and obtained values within the energy range of 121.78 1528.12 keV and 244.69 1408.00 keV respectively for 15 cm and 2 cm source-detector geometries with each recording the chi-square values of 1.0 and 3.6, where their z-values shows that all doublets at the photopeaks were correctly resolved. Besides, the results we obtained generally agrees with the limit of acceptance level of the software, and also shows good agreement with that carried out previously by other researchers.
Keywords: Detector calibration, k0-IAEA software, NIRR-1, HPGe detector, FEPE
Edition: Volume 4 Issue 8, August 2015,
Pages: 1055 - 1061
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