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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
December 2025
Nuclear Technology
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November 2025
Latest News
Atomic museum benefits from L&A donation
Longenecker & Associates has announced a $500,000 pledge from John and Bonnie Longenecker to the National Atomic Testing Museum in Las Vegas, Nev. The contribution will strengthen the museum’s missions to inform the public about America’s national security legacy and current programs and to inspire students, educators, and young professionals pursuing careers in science, technology, engineering, and mathematics.
Technical Session|Sponsored by NCSD|Cosponsored by FCWMD, RPD
Wednesday, June 19, 2024|8:00–9:45AM PDT|Jasmine G
Session Chair:
Kelsey Amundson
Session Organizer:
Alternate Chair:
Jesse Brown
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Nuclear Data Needs for MCFR Reactors
8:00–8:20AM PDT
T. Cisneros (TerraPower), M. Wargon (TerraPower)
Paper
Design of Pre-Moderated Pulsed-Neutron Die-Away Experiments to Validate the Thermal Scattering Law of Beryllium
8:20–8:40AM PDT
Rida Rahman (Univ. Tennessee, Knoxville), Daniel Siefman (Univ. California, Berkeley), Ruby Araj (LLNL), Catherine Percher (LLNL), Vladimir Sobes (Univ. Tennessee, Knoxville)
Bayesian Inference Re-estimation of 9Be(α, n) Cross Sections by Using Neutron Spectra Measurements
8:40–9:00AM PDT
Sylvain Bertholon (CEA), Anis Ben-Yelles (CEA), David Bernard (CEA)
Review of Available Critical Experiments and Critical Experiments Facilities to Perform High-Assay Low-Enriched Uranium Fuel Transport Validation for Advanced Reactor Deployment
9:00–9:20AM PDT
M.N. Dupont (ORNL), K.L. Reed Fassino (ORNL), W.J. Marshall (ORNL), W.A. Metwally (ORNL), W.A. Wieselquist (ORNL)
A Methodology for Validating the Evolution of Start-up Neutron Sources
9:20–9:30AM PDT
Anis Ben-Yelles (CEA)
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