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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
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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Nuclear Science and Engineering
April 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Fires extinguished at Chernobyl following drone strike
Ukraine’s State Emergency Service has finally gained full control over a blaze that started February 14 after a drone struck the protective dome over the destroyed reactor from the 1986 Chernobyl nuclear plant accident.
Technical Session|Sponsored by NCSD|Cosponsored by NNPD
Wednesday, November 18, 2020|2:40–4:20PM EST
Session Chair:
William Myers (LANL)
Alternate Chair:
John D. Bess
Session Organizer:
Jesson D. Hutchinson
Staff Producer:
Mich Leana (American Nuclear Society)
Here is the link for the best paper survey. Voting will close on Saturday. Please let me know if you have any questions. https://forms.gle/niDQWZB9ihkeg8EM7
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Sensitivity Studies, Gap Analysis, and Benchmark Experiment Optimization for Reactor Physics and Criticality Safety Applications
Jesson D. Hutchinson (Los Alamos National Laboratory), Robert C. Little (Los Alamos National Laboratory), Nicholas W. Thompson (Los Alamos National Lab), Travis A. Smith (Los Alamos National Laboratory), Michael E. Rising (Los Alamos National Laboratory), Isaac J. Michaud (Los Alamos National Laboratory), Noah A. Kleedtke (University of Michigan), Travis J. Grove (Los Alamos National Laboratory), Jennifer L. Alwin (Los Alamos National Laboratory)
Paper
Gaussian Process Optimization of Sensitivity-Based Similarity Metrics between New Nuclear Applications and New/Existing Benchmarks
Jesson D. Hutchinson (Los Alamos National Laboratory), Isaac J. Michaud (Los Alamos National Laboratory), Michael E. Rising (Los Alamos National Laboratory), Travis J. Grove (Los Alamos National Laboratory), Brian C. Kiedrowski (University of Michigan), Noah A. Kleedtke (University of Michigan)
Subcriticality Estimation using Unscented Kalman Filter for Reactivity- and Source-Transients
Cheol Ho Pyeon (Kyoto University, Institute for Integrated Radiation and Nuclear Science), Masao Yamanaka (Kyoto University, Institute for Integrated Radiation and Nuclear Science), Akio Yamamoto (Nagoya University), Tomohiro Endo (Nagoya University)
Presentation Video (Visible to Attendees)
Effect of Nuclear Data Covariances on Integral Experiment Design with Sensitivity and Uncertainty Analysis
David P. Heinrichs (LLNL), Alyssa Kersting (WRPS), Catherine M. Percher (LLNL), Daniel J. Siefman (LLNL)
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