ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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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
2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
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
October 2024
Nuclear Technology
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August 2024
Latest News
New laws offer nuclear industry incentives for existing power plant uprates
This year, the U.S. nuclear industry received a much-needed economic boost that could help preserve operating nuclear power plants and incentivize upgrades that extend their lifespan and power output.
Signed into law in 2022, the Inflation Reduction Act offers production tax credits (PTCs) for existing nuclear power plants and either PTCs or investment tax credits (ITCs) for new carbon-free generation. These credits could make power uprates—increasing the maximum power level at which a commercial plant may operate—a much more appealing option for utilities.
Nicholas H. Kuehn III, Raymond L. Murray
Nuclear Science and Engineering | Volume 50 | Number 2 | February 1973 | Pages 164-169
Technical Note | doi.org/10.13182/NSE73-A23240
Articles are hosted by Taylor and Francis Online.
A development in convenient matrix representation is given for the first four moments of the neutron scattering kernel K(ν,ν’), for a monatomic Maxwellian gas with arbitrary dependence of the scattering cross section on relative speed. The availability of explicit forms for (x,x’), components of the moments in terms of dimensionless speeds, forn = 0, I, 2, and 3, as single-integral expressions facilitates the spherical harmonics solution of neutron thermalization problems through the P3-approxima-tion.