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
Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NWMO chooses vendors for Canadian repository
Canada’s Nuclear Waste Management Organization has selected five companies it is to work with to design and plan the organization’s proposed deep geologic repository for spent nuclear fuel. As the owner of the project, the NWMO will be working with WSP Canada, Peter Kiewit Sons (Kiewit), Hatch Ltd., Thyssen Mining Construction of Canada, and Kinectrics.
Technical Session|Sponsored by NCSD
Wednesday, November 20, 2024|1:00–2:45PM EST|Fantail
Session Chair:
Joshua Gogolski
Alternate Chair:
Theresa E. Cutler
Session Organizer:
Benjamin Martin
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Calculation of Extended Subcritical Mass Limits in ANSI/ANS-8.1-2014
1:00–1:20PM EST
T.M. Greene (ORNL), D.G. Bowen (ORNL), G. Radulescu (ORNL)
Paper
Criticality Safety Validation Methods for Heat-Source Plutonium
1:20–1:40PM EST
James Suthon (Univ. New Mexico), Christopher Perfetti (Univ. New Mexico)
Lessons Learned in Drafting ANSI/ANS-8.28-2024, Administrative Practices for the Use of Nondestructive Assay Measurements for Nuclear Criticality Safety
1:40–2:00PM EST
Jeff Chapman (National Nuclear Security Administration), Ernest Elliott (BWX Technologies)
Exploration of Firefighting Techniques and how this Affects Criticality Safety Advice at Sellafield Ltd
2:00–2:20PM EST
David Kirkwood (Sellafield), Amy van der Vyver (Sellafield)
Investigation of Benchmark keff Sensitivity and Uncertainty for 239Pu Fission in Specific Energy Ranges
2:20–2:40PM EST
J. Hutchinson (LANL), K. Amundson (LANL), P. Brain (LANL), T. Cutler (LANL), N. Kleedtke (LANL), R. Little (LANL), D. Neudecker (LANL)
To join the conversation, you must be logged in and registered for the meeting.
