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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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Sep 2025
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Nuclear Science and Engineering
October 2025
Nuclear Technology
September 2025
Fusion Science and Technology
Latest News
PR: American Nuclear Society welcomes Senate confirmation of Ted Garrish as the DOE’s nuclear energy secretary
Washington, D.C. — The American Nuclear Society (ANS) applauds the U.S. Senate's confirmation of Theodore “Ted” Garrish as Assistant Secretary for Nuclear Energy at the U.S. Department of Energy (DOE).
“On behalf of over 11,000 professionals in the fields of nuclear science and technology, the American Nuclear Society congratulates Mr. Garrish on being confirmed by the Senate to once again lead the DOE Office of Nuclear Energy,” said ANS President H.M. "Hash" Hashemian.
Technical Session
Monday, September 15, 2025|1:00–2:40PM CDT|Grand Salon AB
Session Chair:
Satoshi Gunji
Alternate Chair:
Brittany M. Williamson
Session Organizer:
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The Pre-service Inspections for the Static Experiment Critical Facility (STACY)
1:00–1:20PM CDT
Kenta Hasegawa (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Masato Sumiya (JAEA), Tomoki Yoshikawa (JAEA), Tomoyuki Maekawa (JAEA), Junichi Ishii (JAEA), Shouhei Araki (JAEA), Kazuhiko Izawa (JAEA), Satoshi Gunji (JAEA)
Paper
Design of Heterogenous Core Configurations with Concrete Rods in the Modified STACY Facility
1:20–1:40PM CDT
B. Dechenaux (ASNR), M. Brovchenko (ASNR), S. Gunji (JAEA), S. Araki (JAEA), K. Suyama (JAEA)
Critical Experiment Analyses in the Modified STACY Core Simulating Fuel Debris
1:40–2:00PM CDT
Shigeki Shiba (Nuclear Regulatory Authority of Japan), Satoshi Gunji (JAEA), Kazuhiko Izawa (JAEA)
Experiments on Concrete-Loaded Core in the Modified STACY
2:00–2:20PM CDT
Shouhei Araki (JAEA), Yu Arakaki (JAEA), Tomoyuki Maekawa (JAEA), Yutaka Kamikawa (JAEA), Kenta Hasegawa (JAEA), Tomoki Yoshikawa (JAEA), Yuta Tada (JAEA), Masato Sumiya (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Junichi Ishii (JAEA), Kazuhiko Izawa (JAEA), Daiki Shiba (NRA), Shigeki Shiba (NRA), Satoshi Gunji (JAEA)
Studies of Nuclear Criticality Safety of Fuel Debris using the Modified STACY Critical Assembly
2:20–2:40PM CDT
Gunji S. (JAEA), Araki S. (JAEA), Yoshikawa T. (JAEA), Arakaki Y. (JAEA), Aizawa E. (JAEA), Seki M. (JAEA), Ishii J. (JAEA), Izawa K. (JAEA), Shiba S. (NRA), Iwahashi D. (NRA)
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