ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
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
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session
Tuesday, October 5, 2021|10:40AM–12:20PM EDT
Session Chair:
Adam Nelson (ANL)
Session Organizer:
Jeffery D. Densmore (Naval Nuclear Laboratory)
Student Producer:
Johnny Klemes (NC State Univ.)
To access the session recording, you must be logged in and registered for the meeting.
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To access paper attachments, you must be logged in and registered for the meeting.
Algorithm for Free Gas Elastic Scattering Without Rejection Sampling
10:40–11:05AM EDT
Elliott Biondo (ORNL), Vladimir Sobes (Univ. of Tenn., Knoxville), Andrew Holcomb (ORNL), Steven Hamilton (ORNL), Thomas Evans (ORNL)
Paper
Conditional Point Sampling Implementation for the GPU
11:05–11:30AM EDT
Luke J. Kersting (Sandia), Aaron Olson (Sandia), Kerry Bossler (Sandia)
Efficient Scoring Algorithm for Local Differential Operator Tallies in Large Models
11:30–11:55AM EDT
David P. Griesheimer (Naval Nuclear Laboratory), Gabriel Kooreman (Naval Nuclear Laboratory)
Probability Distribution Functions of the Number of Scattering Collisions in Electron Slowing Down
11:55AM–12:20PM EDT
Brian C. Franke (Sandia), Anil K. Prinja (Univ. of New Mexico)
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