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
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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!
Latest Magazine Issues
Oct 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
November 2025
Nuclear Technology
Fusion Science and Technology
October 2025
Latest News
Researchers use one-of-a-kind expertise and capabilities to test fuels of tomorrow
At the Idaho National Laboratory Hot Fuel Examination Facility, containment box operator Jake Maupin moves a manipulator arm into position around a pencil-thin nuclear fuel rod. He is preparing for a procedure that he and his colleagues have practiced repeatedly in anticipation of this moment in the hot cell.
V. Spiegel, Jr., A. C. B. Richardson
Nuclear Science and Engineering | Volume 10 | Number 1 | May 1961 | Pages 11-15
Technical Paper | doi.org/10.13182/NSE61-A25923
Articles are hosted by Taylor and Francis Online.
The neutron age to the 1.44-ev resonance in indium has been determined from activation measurements for a D(d, n)He3 neutron source in 99.8% heavy water. Appropriately averaged and corrected indium foil activities yield the value 119.1 ± 1.5 cm2 for the age in an infinite medium. Independent theoretical calculations for exactly this experimental arrangement by Cooper (1), Goldstein and Certaine (2), and for a comparable case by Sullivan (3) all yield values in agreement with this experimental result. It appears, therefore, that there is at present no discrepancy between theory and experiment for the age of 2–3 Mev neutrons in heavy water.