A Measurement method for cesium contamination distribution on the bottom of a top shield plug from the operation floor of the Fukushima Daiichi Nuclear Power Plant

Kanno, Ikuo; Okumura, Keisuke ; Matsumura, Taichi ; Riyana, E. S. ; Terashima, Kenichi ; Sakamoto, Masahiro

For the estimation of Cs-137 contamination distribution in the gap of shield plugs of the Fukushima Daiichi Nuclear Power Plant Unit 2 with the measurement from its operation floor, a method is proposed using a pinhole camera for gamma-rays. The feasibility is discussed by deterministic calculations.

Language	:	English
Journal	:	Progress in Nuclear Science and Technology (Internet)
Volume	:	8
Number	:
Pages	:	p.343 - 346
Publication Year/Month	:	2025/09
Meeting title	:	International Conference on Nuclear Fuel Cycle (GLOBAL2024)
Held date	:	2024/10
Location (city)	:	Tokyo
Location (country)	:	Japan
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Paper URL	:	https://doi.org/10.15669/pnst.8.343
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Registration No. : BB20231952
JAEA Abstracts No. : 53001153
Paper Submission No. : 30049

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