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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
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|Sponsored by RPD
Wednesday, June 18, 2025|3:15–5:00PM CDT|Belmont
Session Chair:
Brendan M. Kochunas
Alternate Chair:
Cihang Lu
Session Organizer:
Zeyun Wu
To access paper attachments, you must be logged in and registered for the meeting.
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Impact of Control Rod Neutron Absorber Depletion on Load-Following Capability in APR1400
3:15–3:35PM CDT
Husam Khalefih (KFUPM), Afaque Shams (KFUPM), YongHee Kim (KAIST)
Paper
Analysis of Asymmetric Control Element Exposure on HFIR Performance
3:35–3:55PM CDT
Kevin Burg (ORNL), David Chandler (ORNL), Donny Hartanto (ORNL)
Linear Stability Analysis of Spatial Xenon Oscillations in Large PHWRs Using Modal Synthesis Method
3:55–4:15PM CDT
Suresh C. Kandpal (Nuclear Power Corporation of India), Abhishek Chakraborty (Nuclear Power Corporation of India), Suneet Singh (Indian Institute of Technology Bombay)
Development and Initial Results of an OpenMC Model of the High Flux Isotope Reactor
4:15–4:35PM CDT
Ragai Altamimi (ORNL), Kemal Ramic (ORNL), Jorge Navarro (ORNL)
Modeling Decay Heat with a Simplified Depletion Chain in OpenMC
4:35–4:55PM CDT
Tanmay Gupta (Columbia University), Benoit Forget (MIT)
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