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
Sep 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
September 2025
Nuclear Technology
Fusion Science and Technology
October 2025
Latest News
A wave of new U.S.-U.K. deals ahead of Trump’s state visit
President Trump will arrive in the United Kingdom this week for a state visit that promises to include the usual pomp and ceremony alongside the signing of a landmark new agreement on U.S.-U.K. nuclear collaboration.
Andrzej Maslowski
Nuclear Science and Engineering | Volume 52 | Number 2 | October 1973 | Pages 274-278
Technical Note | doi.org/10.13182/NSE73-A28196
Articles are hosted by Taylor and Francis Online.
The problem of optimal estimation of state for deterministic space-time reactor processes has been considered. Based on the proposed dynamic and observation models and the quality index, the problem of estimation has been formulated. The conditions of the optimal solution have been given using the theory of Lagrange functionals. Analytical and numerical solutions of power density estimation in the slab reactor are presented.