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Conference Spotlight
2025 ANS Winter Conference & Expo
November 8–12, 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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Latest News
Nuclear News 40 Under 40: The wait is over
Following the enthusiastic response from the nuclear community in 2024 for the inaugural NN 40 Under 40, the Nuclear News team knew we had to take up the difficult task in 2025 of turning it into an annual event—though there was plenty of uncertainty as to how the community would receive a second iteration this year. That uncertainty was unfounded, clearly, as the tight-knit nuclear community embraced the chance to celebrate its up-and-coming generation of scientists, engineers, and policy makers who are working to grow the influence of this oft-misunderstood technology.
G. W. Stuart
Nuclear Science and Engineering | Volume 2 | Number 5 | September 1957 | Pages 617-625
Technical Paper | doi.org/10.13182/NSE57-A25428
Articles are hosted by Taylor and Francis Online.
A variational principle is derived for the probability that a neutron, incident upon a body of arbitrary shape and suffering multiple collisions within the body, will be absorbed by the body. Using constant trial function, the variational results are compared to sensibly exact numerical results for the case of an infinite cylinder.
