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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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!
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Nuclear Science and Engineering
March 2025
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February 2025
Fusion Science and Technology
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Neutron Vision at Los Alamos: Exploring the Frontiers of Nuclear Materials Science
In materials science, understanding the unseen—how materials behave internally under real-world conditions—has always been key to developing new materials and accelerating innovative technologies to market. Moreover, the tools that allow us to see into this invisible world of materials have often been game-changers. Among these, neutron imaging stands out as a uniquely powerful method for investigating the internal structure and behavior of materials without having to alter or destroy the sample. By harnessing the unique properties of neutrons, researchers can uncover the hidden behavior of materials, providing insights essential for advancing nuclear materials and technologies.
Technical Session|Sponsored by NCSD
Wednesday, June 16, 2021|2:15–4:00PM EDT
Session Chair:
Mandy Bowles Tomaszewski
Alternate Chair:
Benjamin Martin
Session Organizer:
Vladimir Sobes
Staff Producer:
Erica McGowan (ANS)
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Comparison of ISO and ANSI/ANS Nuclear Criticality Safety Standards
Douglas G. Bowen (ORNL)
Paper
Neutron Poisoning of Sodium Reactor Experiment Material for Disposition
Tracy Stover (Savannah River Nuclear Solutions), Jaclyn Fitzpatrick (Savannah River Nuclear Solutions), Sara Shirley (Savannah River Nuclear Solutions)
Sandia 7uPCX Critical Experiments Exploring the Effects of Fuel-to-Water Ratio Variations
David E. Ames (Sandia National Laboratories), Gary A. Harms (Sandia National Laboratories), Rafe D. Campbell (Sandia National Laboratories), Christina B. Hanson (Sandia National Laboratories)
Development of a Pulsed Slowing-Down-Time Benchmark of Neutron Thermalization in Graphite
E. Lee (North Carolina State Univ.), N. C. Fleming (North Carolina State Univ.), A. I. Hawari (North Carolina State Univ.)
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