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
Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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!
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Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
May 2025
Latest News
Argonne’s METL gears up to test more sodium fast reactor components
Argonne National Laboratory has successfully swapped out an aging cold trap in the sodium test loop called METL (Mechanisms Engineering Test Loop), the Department of Energy announced April 23. The upgrade is the first of its kind in the United States in more than 30 years, according to the DOE, and will help test components and operations for the sodium-cooled fast reactors being developed now.
Kenkichi Ushigusa, JT-60 Team
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 315-321
Fusion Technology Plenary | doi.org/10.13182/FST01-A11963254
Articles are hosted by Taylor and Francis Online.
Progress on NNB technology enables to demonstrate the N-NB driven current of around 1 MA with the efficiency of 0.155×1020nT−2A/W. A newly installed 110GHz ECH system has demonstrated efficient central electron heating (Te(0)>15keV) and local current profile control. Multiple pellet injection from high-field-top side into ELMy H-mode plasma has produced a high confinement plasma (HHy2~1.05) at high density regime (ne/nGW~0.7). The both-leg divertor pumping has enhanced He exhaust by ~40%. Ar-puff experiments have improved confinement at high density with detached divertor due to high pedestal temperature. Based on these progresses in each issue, discharge optimization has been made to demonstrate integrated high performance plasmas. In the two advanced operation regimes (the reversed magnetic shear (RS) and the weak magnetic shear high-βp ELMy H-mode), discharges have been sustained near the steady-state current profile solution under full non-inductive current drive with proper driven current profiles (High βp; HHy2~1.4 and βN ~2.5 with N-NB, RS; HHy2~2.2 and βN ~2 with fBS~80%).
