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.
Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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
Mar 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
April 2025
Nuclear Technology
Fusion Science and Technology
Latest News
State legislation: Illinois bill aims to lift state’s remaining nuclear moratorium
A bill that would fully repeal the state’s entire moratorium on new nuclear projects survived a key deadline in the Illinois General Assembly last week.
To stay afloat in the spring legislative session, bills needed to be assigned to committee by March 21, and state Sen. Sue Rezin’s Senate Bill 1527 now sits with the Senate’s Energy and Public Utilities committee for review.
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.
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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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