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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver 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
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
2021 ANS Winter Meeting and expo Plenary Session Speaker
Amir Vexler is the President and Chief Executive Officer of Orano USA—Orano’s operations in the United States providing commercial and federal customers with global expertise in nuclear materials management. Amir is also President of TN Americas, an Orano USA subsidiary.
Vexler oversees all five of Orano's business units in the U.S., including MCE for sales of uranium fuel, conversion and enrichment services; Orano Decommissioning Services for decommissioning nuclear energy facilities through its joint venture with NorthStar, named Accelerated Decommissioning Partners; TN Americas offering the full breadth of used nuclear fuel management (pool to pad, storage, transportation, and ISFSI management); Orano Med for the development of medical isotopes for targeted immunotherapy for fighting cancer; and Orano Federal Services offering the full complement of engineering and technology to solve some of the more complex nuclear material processing, conditioning and packaging for the U.S. Department of Energy.
With extensive international experience in the electric power industry, Amir’s career includes manufacturing, engineering services, commercial operations, and business development.
Prior to joining Orano in 2019, Amir’s leadership roles at Global Nuclear Fuel included chief executive officer, chairman of the board, chief operating officer, and vice president of Manufacturing/Supply Chain. Amir also held senior leadership positions with GE-Hitachi and the former GE Canada Nuclear Products.
Amir earned a Bachelor of Applied Science degree in Mechanical Engineering from the University of Toronto and an MBA from the Wilfrid Laurier University.
Last modified November 18, 2021, 4:31pm EST
