ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
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!
Latest Magazine Issues
Aug 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
September 2025
Nuclear Technology
Fusion Science and Technology
August 2025
Latest News
A busy week in Utah for nuclear development
Almost every day this week has featured headlines concerning announcements, signings, and progress across Utah’s nuclear sector.
At a glance: TerraPower, Flagship, and the state signed a memorandum of understanding to cooperate on siting a Natrium reactor; $5 million may come to Camp Williams for General Matter–related site preparation work; and Nusano cut the ribbon on a radioisotope production facility.
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
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
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)
To join the conversation, you must be logged in and registered for the meeting.
