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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
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Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Deep Isolation validates its disposal canister for TRISO spent fuel
Nuclear waste disposal technology company Deep Isolation announced it has successfully completed Project PUCK, a government-funded initiative to demonstrate the feasibility and potential commercial readiness of its Universal Canister System (UCS) to manage TRISO spent nuclear fuel.
Technical Session|Sponsored by NCSD|Cosponsored by NNPD
Wednesday, November 16, 2022|8:00–9:45AM MST|Copperwood
Session Chair:
Kristan Wessels
Alternate Chair:
David G. Erickson
Session Organizer:
Theresa E. Cutler
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Generating Models of the Flattop Critical Assembly for Benchmark Experiments with Python
8:00–8:20AM MST
A. Hauck (LANL), K. Stolte (LANL), T. Grove (LANL), N. Whitman (LANL), T. Cutler (LANL), R. Sanchez (LANL), J. Lamproe (LANL), D. Hayes (LANL)
Paper
Modeling Approach to Critical in the Upcoming CERBERUS Experiment
8:20–8:40AM MST
Zachariah Lemke (LANL), Kelsey Amundson (LANL), Theresa Cutler (LANL), Nicholas Whitman (LANL)
Hybrid Particle Swarm-Interpolation Algorithm for Improved Critical Experiment Design
8:40–9:00AM MST
Cole Kostelac (Missouri Univ. Science and Technology), Nicholas Thompson (LANL), Ayodeji Alajo (Missouri Univ. Science and Technology), Noah Kleedtke (LANL), Rene Sanchez (LANL)
Rossi-Alpha Analysis of Thermal/Epithermal eXperiments Optimized for Polyethylene Thermal Neutron Scattering
9:00–9:20AM MST
Caiser A. Bravo (LANL), Jesson D. Hutchinson (LANL), George E. McKenzie (LANL), Theresa E. Cutler (LANL), Travis J. Grove (LANL), Alex McSpaden (LANL), Rene G. Sanchez (LANL)
Prompt Neutron Decay Constant Measurements at the Inherently Safe Subcritical Assembly
9:20–9:40AM MST
Daniel Siefman (LLNL), W. Zywiec (LLNL), S. Varghese (LLNL), O. Pakari (Univ. Michigan), David Heinrichs (LLNL)
Presented by Ruby Araj (LLNL)
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