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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
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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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May 2025
Jan 2025
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Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NRC dockets construction permit for Dow, X-energy SMR
The Nuclear Regulatory Commission has accepted Dow’s construction permit application to build an X-energy small modular reactor in Seadrift, Texas.
Technical Session|Machine Learning and Artificial Intelligence
Wednesday, April 30, 2025|10:00–11:40AM MDT|Horace Tabor
Session Chair:
Ben Whewell (LANL)
Alternate Chair:
Chris Brady (NCSU)
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Presentation Slides (Visible to Attendees) — Martin Desombre
Presentation Slides (Visible to Attendees) — Frederico Grimaldi
Presentation Slides (Visible to Attendees) — Timothy Franck
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Harmonic Analysis of a Repositioning Plan Optimization Problem
10:00–10:25AM MDT
Martin Desombre (Univ. Littoral Cote d'Opale), Baptiste Magnaudet (CEA), Jean-Michel Do (CEA), Jean Fromentin (Univ. Littoral Cote d'Opale), Sébastien Verel (Univ. Littoral Cote d'Opale)
Paper
Sequential Optimal Experimental Design for Efficient Learning of Reduced Order Models with Application to Microreactor Pin Powers
10:25–10:50AM MDT
Brendan Kochunas (Univ. Michigan), Nazmul Hossain (Univ. Michigan), Dean Price (Univ. Michigan)
Physics-Informed ML using RAPID for Predicting Eigenvalue and 3-D Fission Distribution in JSI TRIGA Mark-II Research Reactor
10:50–11:15AM MDT
Timothy Franck (Virginia Tech), Alireza Haghighat (Virginia Tech), Luka Snoj (Jožef Stefan Institute)
Designing Energy Discretisations Using a Genetic Algorithm for Sensitivity Studies in Lead-Cooled Fast Reactors Using a Genetic Algorithm
11:15–11:40AM MDT
Emilie Delvaux (Université libre de Bruxelles), Federico Grimaldi (Université libre de Bruxelles), Nicoló Abrate (Politecnico di Torino), Alex Aimetta (Politecnico di Torino), Mattia Massone (ENEA), Victor J. Casas-Molina (SCK CEN), Antonin Krása (SCK CEN), Pierre-Etienne Labeau (Université libre de Bruxelles)
Presentation Slides (Visible to Attendees)
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