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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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
September 2025
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August 2025
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Latest News
The RAIN scale: A good intention that falls short
Radiation protection specialists agree that clear communication of radiation risks remains a vexing challenge that cannot be solved solely by finding new ways to convey technical information.
Earlier this year, an article in Nuclear News described a new radiation risk communication tool, known as the Radiation Index, or, RAIN (“Let it RAIN: A new approach to radiation communication,” NN, Jan. 2025, p. 36). The authors of the article created the RAIN scale to improve radiation risk communication to the general public who are not well-versed in important aspects of radiation exposures, including radiation dose quantities, units, and values; associated health consequences; and the benefits derived from radiation exposures.
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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