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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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Nuclear Science and Engineering
October 2025
Nuclear Technology
September 2025
Fusion Science and Technology
Latest News
NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
Technical Session|Sponsored by NCSD
Tuesday, June 18, 2024|10:00–11:45AM PDT|Jasmine G
Session Chair:
Catherine M. Percher
Alternate Chair:
Walid A. Metwally
Session Organizer:
Benjamin Martin
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How to Safely Build a Criticality Experiment with 100-plus Kilograms of Weapons-Grade Plutonium
10:00–10:20AM PDT
J. Hutchinson (LANL), T. Cutler (LANL), M. Grosskopf (LANL), D. Hayes (LANL), I. Michaud (LANL), T. Smith (LANL), N. Thompson (LANL), N. Wynne (LANL)
Paper
Criticality Safety Calculations for Inadvertent PuF6 Formation
10:20–10:40AM PDT
Brindley Wade (TAMU), Tracy E. Stover (Savannah River Nuclear Solutions)
Nuclear Criticality Safety Co-Analyst Guide
10:40–11:00AM PDT
Zachary Jaczesko (Y-12 National Security Complex)
On Estimating Uncertainty in Integral Benchmarks due to Inconsistencies in Geometrical Measurements
11:00–11:20AM PDT
Kathryn Worrell (Univ. Tennessee, Knoxville), Vladimir Sobes (Univ. Tennessee, Knoxville), William Marshall (ORNL)
Zirconium Sludge Criticality Calculations in Large Process Tanks
11:20–11:40AM PDT
Brindley Wade (TAMU), Nathan Devine (Savannah River Nuclear Solutions)
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