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Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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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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.
W. Mannhart, W. G. Alberts
Nuclear Science and Engineering | Volume 69 | Number 2 | February 1979 | Pages 333-338
Technical Note | doi.org/10.13182/NSE79-A20622
Articles are hosted by Taylor and Francis Online.
The measuring procedure for the determination of neutron activation cross sections averaged over the neutron spectrum of 252Cf is described. Measurements were done in a low-scattering irradiation facility that provides a nearly undisturbed field of neutrons emitted with the spontaneous fission of 252Cf The following neutron reactions were in vestigated: 113In(n,n′), 115In(n,γ), 115In(n,n′), 197Au(n,γ), and 197Au(n,2n). The resulting average cross sections were compared with those of other experiments. In addition, calculations of average cross sections were performed. The results of the present and of our earlier measurements were summarized and compared with calculated average cross sections obtained by folding the spectral distribution of 252Cf neutrons with different σ(E) data (ENDF/B-IV, ENDF/B-V, and recent experiments).
