ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
October 2026
Nuclear Technology
September 2026
Fusion Science and Technology
August 2026
Latest News
Front-end nuclear fuel supply cooperation: Turning allied interdependence into strategic advantage
The global nuclear revival, which is fueled by unprecedented demand for firm, affordable, dispatchable power for artificial intelligence and data center build-out, energy security imperatives, and climate commitments, has exposed a structural reality of the Western fuel cycle: No single allied nation currently possesses the full suite of front-end capabilities. From mining through conversion, enrichment, fabrication, and the emerging deconversion and metallization steps required for reactor fuels, capability is distributed across Canada, France, Japan, the United Kingdom, and the United States (collectively, the “Sapporo Five”), as well as a small group of close partners.
H. Derrien, N. M. Larson, G. de Saussure, R. B. Perez
Nuclear Science and Engineering | Volume 96 | Number 1 | May 1987 | Pages 58-65
Technical Note | doi.org/10.13182/NSE87-A16365
Articles are hosted by Taylor and Francis Online.
The 241Pu total cross-section measurement of Kolar and Carraro and the neutron fission cross-section measurements of Blons et al. and Weston and Todd were analyzed with the R-matrix resonance analysis program SAMMY, which uses Bayes’ equation to extract resonance parameters from the experimental data. A set of Reich-Moore-type resonance parameters that describes the cross sections up to 100 eV was obtained. It is shown that existing data are not adequate for a precise evaluation of the resonance cross sections, and the need for additional work is discussed.
