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Conference Spotlight
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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ANS joins others in seeking to discuss SNF/HLW impasse
The American Nuclear Society joined seven other organizations to send a letter to Energy Secretary Christopher Wright on July 8, asking to meet with him to discuss “the restoration of a highly functioning program to meet DOE’s legal responsibility to manage and dispose of the nation’s commercial and legacy defense spent nuclear fuel (SNF) and high-level radioactive waste (HLW).”
D. Stegemann
Nuclear Technology | Volume 14 | Number 1 | April 1972 | Pages 59-64
Technical Paper | Session on Physics of Nuclear Materials Safeguards / Reactor | doi.org/10.13182/NT72-A31098
Articles are hosted by Taylor and Francis Online.
Monoenergetic neutron bursts in heavy moderators are being examined for application to the nondestructive assay of fissile material in fuel samples. The goal of these assays is the determination of fissile isotope content, generally in the presence of other fissile or fertile isotopes. The technique utilizes the relationship between neutron energy and the slowing down time, or time elapsed after the burst in the heavy moderator. The slowing down time spectrometer, a lead cube into which 14-Me V neutrons are pulsed, is used to determine the fissile isotope content. Differences in fission cross sections at specific energies are used to discriminate between fissile isotopes in the same sample.