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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.2
- 수록면
- 601 - 607 (7page)
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초록· 키워드
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In recent years, monitoring of spent nuclear fuel inside dry cask storage has become an important area ofnational security. Muon tomography is a useful method for monitoring spent nuclear fuel because it useshigh energy muons that penetrate deep into the target material and provides a 3-D structure of the innermaterials.
We designed a muon tomography system consisting of four 2-D position sensitive detector andcharacterized and optimized the system parameters. Each detector, measuring 200 200 cm2, consists ofa plastic scintillator, wavelength shifting (WLS) fibers and, SiPMs. The reconstructed image is obtained byextracting the intersection of the incoming and outgoing muon tracks using a Point-of-Closest-Approach(PoCA) algorithm.
The Geant4 simulation was used to evaluate the performance of the muon tomography system and tooptimize the design parameters including the pixel size of the muon detector, the field of view (FOV), andthe distance between detectors. Based on the optimized design parameters, the spent fuel assemblieswere modeled and the line profile was analyzed to conduct a feasibility study. Line profile analysisconfirmed that muon tomography system can monitor nuclear spent fuel in dry storage container
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