Zaima, Naoki; Nakashima, Shinichi 
; Nakatsuka, Yoshiaki; Kado, Kazumi
We developed uranium mass assay systems for 200-litter wastes drums applied neutron and 
measurements by NDA method. The systems are composed of the 16 pieces of Helium-3 proportional counters for neutron detection with 100 mm thickeness polyethylene and a Ge-SSD for ray detection. The neutron measurement methodology is consist of 
U (
,n) reaction and measurement is applied by Ge-SSD. The extensive testing trials using the known amount of uranium with different enrichment and some kinds of matrices in drums were performed. By using this system we tried to determine uranium mass in drums for the purpose of reduction MUF in URCP.
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: | Japanese |
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Held date |
: | 2012/03 |
Location (city) |
: | 福井 |
Location (country) |
: | 日本 |
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