Xe, 
Kr) emitted by fuel debris for criticality estimationRiyana, E. S. 
; Sakamoto, Masahiro ; Matsumura, Taichi ; Terashima, Kenichi ; Okumura, Keisuke ; Kanno, Ikuo
Our previous study showed a linear relationship between the activity ratio of Kr to Xe and the effective multiplication factor, 
, in a primary containment vessel (PCV) and in a fuel debris canister. The accuracy of the activity ratio, which closely related to the accuracy of predicted , is estimated based on an existing gamma ray energy spectrum. Practical measurement method for the gamma ray from nuclides in the PCV and the fuel debris canister gas is proposed.
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: | 2023/09 |
Location (city) |
: | 名古屋 |
Location (country) |
: | 日本 |
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Keywords |
: | 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident; Fuel Debris; Subcritical System; neutron multiplication factor; activity ratio of |
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