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.
Division Spotlight
Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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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Apr 2025
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Nuclear Science and Engineering
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
Technical Session|Sponsored by RPD
Wednesday, December 1, 2021|4:20–5:45PM EST |Columbia 1
Session Chair:
Massimiliano Fratoni
Session Organizer:
Alternate Chair:
Pavel V. Tsvetkov
Student Assistant:
Mark Johnson
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Delayed-Photoneutron Production from Beta-Ray Bremsstrahlung
4:25–4:45PM EST
Hemantika Sengar (Amity Univ.), Yanuar Ady Setiawan (Ulsan Nat'l Institute of Science and Technology), Douglas A. Fynan (Ulsan Nat'l Institute of Science and Technology)
Paper
Results of the Project "R&D of Fluoride-Cooled Nuclear Reactor Systems"
4:45–5:05PM EST
Jan Uhlir (Research Centre Řež), Martin Marecek (Research Centre Řež), Martin Straka (UJV Řež), Peter Slama (COMTES FHT), Petr Toman (MICo), Milan Routner (SKODA JS)
Attachment
The 2020 and 2021 Editions of the IRPhEP Handbook
5:05–5:25PM EST
John D. Bess (INL), Tatiana Ivanova (OECD NEA), Ian Hill (OECD NEA), Julie-Fiona Martin (OECD NEA), Lori Scott (INL)
Consideration of Computational Options of MC2-3/DIF3D for SFR Analyses
5:25–5:45PM EST
Changho Lee (ANL), Won Sik Yang (Univ. of Michigan)
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