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Kishore B. Dasari,조하나,Radojko Ja cimovi c,박병건,선광민 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.2
The selection and effective utilization of peak-fitting software for conventional gamma-ray spectrumanalysis is significant for accurate determination of the mass fraction of elements, particularly in complexpeak regions. Majority of the peak-fitting programs can derive similar peak characteristics for singletpeaks, but very few programs can deconvolute multi-peaks in a complex region. The deconvolution ofmulti-peaks requires special peak-fitting functions, such as left and right-skew distributions. In the thisstudy, 843.76 keV (27Mg) peak area from the complex region (840 keVe850 keV) determined andcompared using four different peak-fitting programs, namely, GammaVision, Genie2000, HyperLab, andHyperGam. The 843.76 keV peak interfered with 841.63 keV (152mEu) and 846.81 keV (56Mn). The totalMg concentration was determined through k0-instrumental neutron activation analysis by applying theisotopic interference correction factor 27Al(n,p)27Mg through the simultaneous determination of Alconcentration. HyperLab and HyperGam peak-fitting programs reported consistent peak areas, andresultant concentrations agreed with the certified values of matrix-certified reference materials.