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
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
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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Apr 2025
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Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
Technical Session
Thursday, May 19, 2022|1:30–3:15PM EDT|Pointview
Session Chair:
Dan Kotlyar
Session Organizer:
Alternate Chair:
Vedant Mehta
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Study and Design of a Molten Salt Reactor for Power Supply in Space: First Glimpse of the Core Design
Nicolas Rey-Tornero (CEA), Guillaume Campioni (CEA), Daniel Heuer (Centre National de la Recherche Scientifique)
Paper
Design Studies of a Molten Salt Reactor for Space Nuclear Electric Propulsion
F. Quinteros (Univ. Grenoble Alpes), P. Rubiolo (Univ. Grenoble Alpes), V. Ghetta (Univ. Grenoble Alpes), J. Giraud (Univ. Grenoble Alpes), N. Capellan (Univ. Grenoble Alpes)
Parametric Neutronic Evaluation of the Centrifugal Nuclear Thermal Rocket Concept
William J. Walters (Penn State)
Low Enriched Uranium Particle Bed Rocket
Alejandra de Lara (Univ. Cambridge), Nathaniel Read (Univ. Cambridge)
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