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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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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November 2025
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Latest News
Russia withdraws from 25-year-old weapons-grade plutonium agreement
Russia’s lower house of Parliament, the State Duma, approved a measure to withdraw from a 25-year-old agreement with the United States to cut back on the leftover plutonium from Cold War–era nuclear weapons.
Panel and Technical Session|Criticality Safety
Saturday, April 15, 2023|1:35–2:55PM EDT|Student Union 362C
Session Chair:
Katy Worrell (Univ. Tennessee, Knoxville)
Alternate Chair:
Matthew McMillan (Univ. Tennessee, Knoxville)
Session Organizer:
Lance M. Drouet (Univ. Tennessee, Knoxville)
This session is sponsored by the ANS Nuclear Criticality Safety Division.
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Design of a Subcritical Test Assembly at Oak Ridge National Laboratory
1:35–1:55PM EDT
Edward G. Fejedelem (Univ. Tennessee, Knoxville), Carson Sain (Univ. Tennessee, Knoxville), Chilson Whittum (Univ. Tennessee, Knoxville), Katy Worrell (Univ. Tennessee, Knoxville), Alexander Lang (ORNL), Mathieu Dupont (ORNL), Douglas G. Bowen (ORNL)
Paper
Consistency-Based Benchmark Rejection Used for Nuclear Criticality Safety Analysis Applications
1:55–2:15PM EDT
Jeongwon Seo (Purdue), Hany S. Abdel-Khalik (Purdue)
Heavy Water Experiment with Inherently Safe Subcritical Assembly (ISSA)
2:15–2:35PM EDT
Alessandra H. Totaro Villar (Univ. California, Berkeley), Speero M. Tannous (Univ. California, Berkeley), Émile Gateau (Univ. California, Berkeley)
Burnable Poison Loading Optimization
2:35–2:55PM EDT
Vitaliy Mykhnyak (Penn State), Devin J. Ortiz (Penn State), Andrew Broesder (Penn State)
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