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
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!
Latest Magazine Issues
Oct 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
Russia withdraws from 25-year-old weapons-grade plutonium agreement
Russia’s lower house of Parliament, the State Duma, approved a measure to withdraw from a 25-year-old agreement with the United States to cut back on the leftover plutonium from Cold War–era nuclear weapons.
Ehud Greenspan, George H. Miley
Fusion Science and Technology | Volume 4 | Number 1 | July 1983 | Pages 181-185
Technical Note | Plasma Engineering | doi.org/10.13182/FST83-A22785
Articles are hosted by Taylor and Francis Online.
Lumped parameter kinetic equations for the (n)-Li-(T)D-( n) chain reaction are derived and compared with the corresponding equation for the fission chain reaction. The kinetic behavior of the fusion chain is examined in the quasi-state approximation, the validity of which is briefly assessed.
