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논문 기본 정보

자료유형
학술저널
저자정보
Mohamed S. Badawi (Beirut Arab University) Abouzeid A. Thabet (Pharos University in Alexandria)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제4호
발행연도
2022.4
수록면
1,421 - 1,430 (10page)
DOI
https://doi.org/10.1016/j.net.2021.10.016

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초록· 키워드

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The computation of the solid angle and the detector efficiency is considering to be one of the mostimportant factors during the measuring process for the radioactivity, especially the cylindrical g-rayNaI(Tl) detectors nowadays have applications in several fields such as industry, hazardous for health,the gamma-ray radiation detectors grow to be the main essential instruments in radiation protectionsector. In the present work, a generic numerical simulation method (NSM) for calculating the efficiencyof the g-ray spectrometry setup is established. The formulas are suitable for any type of source-todetector shape and can be valuable to determine the full-energy peak and the total efficiencies andP/T ratio of cylindrical g-ray NaI(Tl) detector setup concerning the truncated conical radioactivesource. This methodology is based on estimate the path length of g-ray radiation inside the detectoractive medium, inside the source itself, and the self-attenuation correction factors, which typically useto correct the sample attenuation of the original geometry source. The calculations can be completedin general by using extra reasonable and complicate analytical and numerical techniques than thestandard models; especially the effective solid angle, and the detector efficiency have to be calculatedin case of the truncated conical radioactive source studied condition. Moreover, the (NSM) can be usedfor the straight calculations of the g-ray detector efficiency after the computation of improvement thatneed in the case of g-g coincidence summing (CS). The (NSM) confirmation of the development createdby the efficiency transfer method has been achieved by comparing the results of the measuringtruncated conical radioactive source with certified nuclide activities with the g-ray NaI(Tl) detector,and a good agreement was obtained after corrections of (CS). The methodology can be unlimited tofind the theoretical efficiencies and modifications equivalent to any geometry by essential sufficientlythe physical selective considered situation.

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