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
Jun 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
July 2026
Nuclear Technology
Fusion Science and Technology
May 2026
Latest News
Breaking ground on a new approach to construction
The drive to Kairos Power’s reactor demonstration site in Oak Ridge, Tenn., is not only scenic—it’s historic. Nearly 85 years ago, roughly 30,000 construction workers transformed orchards and farmland into a key Manhattan Project site. Depending on your route, you may pass by one of the three gatehouses that were once military checkpoints controlling access to Atomic Energy Commission production facilities.
H. R. Lukens, R. L. Bramblett
Nuclear Science and Engineering | Volume 61 | Number 3 | November 1976 | Pages 426-428
Technical Note | doi.org/10.13182/NSE76-A26928
Articles are hosted by Taylor and Francis Online.
The delayed neutron yield from 235U fission products has been observed to be several percent greater from highly 235U-enriched UO2 than from highly enriched U3O8 over samples in the range of 235U weights employed (∼0.3 to 25 mg). This difference is not attributable to a neutron attenuation anomaly; rather, it seems to be the result of an influence of chemical structure.