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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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Dec 2025
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Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
Seconds Matter: Rethinking Nuclear Facility Security for the Modern Threat Landscape
In today’s rapidly evolving threat environment, nuclear facilities must prioritize speed and precision in their security responses—because in critical moments, every second counts. An early warning system serves as a vital layer of defense, enabling real-time detection of potential intrusions or anomalies before they escalate into full-blown incidents. By providing immediate alerts and actionable intelligence, these systems empower security personnel to respond decisively, minimizing risk to infrastructure, personnel, and the public. The ability to anticipate and intercept threats at the earliest possible stage not only enhances operational resilience but also reinforces public trust in the safety of nuclear operations. Investing in such proactive technologies is no longer optional—it’s essential for modern nuclear security.
Technical Session|Methods
Wednesday, April 24, 2024|10:15AM–12:00PM PDT|Continental Ballroom 1
Session Chair:
Tomoaki Watanabe (Japan Atomic Energy Agency)
Alternate Chair:
Anselmo T. Cisneros (TerraPower)
Session Organizer:
Go Chiba (Hokkaido University)
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Validation of ENDF/B-VIII.0 Cross-Section Library for METAL-FAST Graphite Systems
10:15–10:35AM PDT
Paul Vollrath (Georgia Tech), Farzad Rahnema (Georgia Tech), Alex Shaw (ORNL)
Paper
Investigation of the Impact of TSL Data Libraries and Geometry Variations on the MSRE Benchmark
10:35–10:55AM PDT
Aidana Bauyrzhan (NCSU), Ayman I. Hawari (NCSU)
Assessing Criticality Implications of Small Angle Neutron Scattering and Porosity Misrepresentation in ENDF/B-VIII.1 TSLs for Nuclear Graphite
10:55–11:15AM PDT
Kemal Ramic (ORNL), Iyad Al-Qasir (ORNL), Friederike Bostelmann (ORNL), Chris W. Chapman (ORNL), Anne Campbell (ORNL), Kyle Grammer (ORNL), Zain Karriem (ORNL), Jose Ignacio Marquez Damian (European Spallation Source), Mark Baird (ORNL), Dorothea Wiarda (ORNL), Luke Daemen (ORNL), Eric Novak (ORNL), Jesse Brown (ORNL), Goran Arbanas (ORNL), Luiz Leal (ORNL), Germina Ilas (ORNL), William A. Wieselquist (ORNL)
Comparison of Coarse Energy Group Structures for Graphite Moderated Molten Salt Reactors and Molten Salt Reactor Experiment Modeling
11:15–11:35AM PDT
J. Faulkner (Georgia Tech), B. Petrovic (Georgia Tech)
Reactivity Impact of Updated 35Cl Nuclear Data on the Molten Chloride Reactor Experiment
11:35–11:55AM PDT
T. Cisneros (TerraPower), M. Wargon (TerraPower), K. Hanselman (LANL), T. Kawano (LANL), S.A. Kuvin (LANL), H.Y. Lee (LANL)
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