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Conference Spotlight
2025 ANS Winter Conference & Expo
November 8–12, 2025
Washington, DC|Washington Hilton
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Japan gets new U for enrichment as global power and fuel plans grow
President Trump is in Japan today, with a visit with new Prime Minister Sanae Takaichi on the agenda. Takaichi, who took office just last week as Japan’s first female prime minister, has already spoken in favor of nuclear energy and of accelerating the restart of Japan’s long-shuttered power reactors, as Reuters and others have reported. Much of the uranium to power those reactors will be enriched at Japan’s lone enrichment facility—part of Japan Nuclear Fuel Ltd.’s Rokkasho fuel complex—which accepted its first delivery of fresh uranium hexafluoride (UF₆) in 11 years earlier this month.
Ç. Ertek, A. Yalçin, Y. İnel
Nuclear Science and Engineering | Volume 36 | Number 2 | May 1969 | Pages 209-219
Technical Paper | doi.org/10.13182/NSE69-A19718
Articles are hosted by Taylor and Francis Online.
An experimental method of determining the ratio of the epicadmium 238U neutron-capture rate to the subcadmium 238U capture rate in a fuel rod, (ρ28), is presented. The precision is ∼0.3% on the cadmium ratio. The relative 239Np and fission-product activities induced in a representative cross section of the fuel material (a thin bare foil of natural uranium) are compared with those induced in a cadmium-covered identical foil in a “flux symmetric” position in the rod. The 239Np gamma activity is counted by a coincidence method with and without the application of chemical separation. The results from the coincidence method are compared with two single-channel and one hundred-channel analyzer results obtained by chemical separation.