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
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
Technical Session|Sponsored by OPD
Thursday, December 2, 2021|3:05–4:50PM EST |Gunston
Session Chair:
Tim Crook (MCR Performance Solutions)
Alternate Chair:
Erin Wehlage (Studsvik Scandpower)
Session Organizer:
W. Neal Mann (ANL)
Student Assistant:
David Reger
To access the session recording, you must be logged in and registered for the meeting.
Register NowLog In
To access paper attachments, you must be logged in and registered for the meeting.
The Fast Modular Reactor (FMR) Pre-Application Regulatory Engagement Plan
3:10–3:30PM EST
Chun Fu (General Atomics Electromagnetic Systems), Hangbok Choi (General Atomics Electromagnetic Systems), John Bolin (General Atomics Electromagnetic Systems)
Paper
Monte Carlo Analysis of Coolant Stream Impurity Gamma Emissions for Fuel Failure Monitoring in Generation IV Gas-Cooled Fast Reactors
3:30–3:50PM EST
Londrea Garrett (Univ. of Michigan), Milos Burger (Univ. of Michigan), Adam Burak (Univ. of Michigan), Victor Petrov (Univ. of Michigan), Annalisa Manera (Univ. of Michigan), Xiaodong Sun (Univ. of Michigan), Piyush Sabharwall (INL), Igor Jovanovic (Univ. of Michigan)
NERTHUS MSR Neutronics Model
3:50–4:10PM EST
Jarod Richardson (Univ. of Tenn., Knoxville), Ondrej Chvala (Univ. of Tenn., Knoxville)
Joining of FeCrAl Based Alloys for Lead Cooled Fast Reactor Applications
4:10–4:30PM EST
Brandon Bohanon (Univ. of New Mexico), Shuprio Ghosh (Univ. of New Mexico), Cemal Cakez (Univ. of New Mexico), Khaled Talaat (Univ. of New Mexico), Md Mehadi Hassan (Univ. of New Mexico), Osman Anderoglu (Univ. of New Mexico), Keith Woloshun (LANL), Stuart Maloy (LANL), Cetin Unal (LANL)
