Simulation of the Background for Gamma Detection System in the Indoor Environments of Concrete Buildings
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概要
- 論文の詳細を見る
The indoor background has significance in determining the minimum detectable level of gamma detection systems. The gamma radiation field in a concrete building was studied by using the Monte Carlo simulations. The parameters of wall thickness, room shape and dimensions were considered in the modeling. A spherical layer model was assumed as the indoor source geometry with the intention of easy and effective calculations. The simulation model was applied to an unshielded germanium detector and the detection system with a more complex shielding configuration. As the results, the indoor radiation field in the concrete building can be predicted well by assuming the source geometry of a spherical concrete layer with a real thickness and the homogeneously distributed source of the natural major three components, the 238U series, 232Th series and 40K. The simulation model is useful for designing and optimizing gamma detection systems or shielding assemblies.
- 社団法人 日本原子力学会の論文
- 2001-12-25
著者
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大石 哲也
日本原子力研究所保健物理部
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大石 哲也
(独)日本原子力研究開発機構
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Yoshida Makoto
Department of Internal Medicine, Kitasato University School of Medicine
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SAKAMOTO Ryuichi
Department of Clinical Pharmacy, Graduate School of Biomedical Sciences, Nagasaki University
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TSUTSUMI Masahiro
Department of Oncological Pathology, Cancer Center, Nara Medical University
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Oishi T
Japan Atomic Energy Research Institute
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Oishi Tetsuya
Department Of Medicine Iii Okayama University Medical School
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Sakamoto R
Nissan Chemical Industries Ltd. Toyama‐ken Jpn
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Sakamoto Ryuichi
Department Of Clinical Pharmacy Graduate School Of Biomedical Sciences Nagasaki University
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KINOUCHI Nobuyuki
Department of Health Physics, Japan Atomic Energy Research Institute
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TSUTSUMI Masahiro
Japan Atomic Energy Research Institute
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Tsutsumi Masahiro
Department Of Oncological Pathology Cancer Center Nara Medical College
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Kinouchi N
Department Of Health Physics Japan Atomic Energy Research Institute
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Yoshida M
Japan Atomic Energy Research Institute
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Kinouchi Nobuyuki
Department Of Health Physics Japan Atomic Energy Research Institute
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Yoshida Makoto
Department Of Biology Faculty Of Science University Of Kochi
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SAKAMOTO Ryuichi
Department of Chemical Engineering and Materials Science, Doshisha University
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OISHI Tetsuya
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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