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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
DOE extends Centrus’s HALEU production contract by one year
Centrus Energy has announced that it has secured a contract extension from the Department of Energy to continue—for one year—its ongoing high-assay low-enriched uranium (HALEU) production at the American Centrifuge Plant in Piketon, Ohio, at an annual rate of 900 kilograms of HALEU UF6. According to Centrus, the extension is valued at about $110 million through June 30, 2026.
T. B. Ryves
Nuclear Science and Engineering | Volume 72 | Number 3 | December 1979 | Pages 357-359
Technical Note | doi.org/10.13182/NSE79-A20391
Articles are hosted by Taylor and Francis Online.
In reactor decommissioning calculations, the production of 127-yr 108mAg from trace amounts of silver in the stainless-steel structure of the reactor is very significant. The thermal (2200-ms−1)-neutron capture cross section of 107Ag for the production of metastable 108mAg was measured as 0.366 ± 0.065 b, where the uncertainty is nearly all due to the half-life. The ratios of the resonance integrals to the thermal-neutron capture cross sections for the formation of 108mAg and 110mAg were also determined.
