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Division Spotlight
Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
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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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.
G. D. Hickman, W. B. Leng
Nuclear Science and Engineering | Volume 12 | Number 4 | April 1962 | Pages 523-531
Technical Paper | doi.org/10.13182/NSE62-A26101
Articles are hosted by Taylor and Francis Online.
A set of effective cutoff energies for 1/v detectors covered by cadmium, samarium, and gadolinium filters is presented. These cutoff energies have been calculated for both isotropic and beam fluxes which were made up of a Maxwellian thermal plus a 1/E tail. Calculations were performed as a function of r (the ratio of thermal flux to the resonance flux per unit lethargy), EM (the Maxwellian neutron energy), and the absorption coefficients of the 1/v foil and the resonance filter. The cutoff energies for samarium were found to be appreciably lower than those for cadmium, while those for gadolinium, especially for thicknesses of 30 to 40 mils, are similar to those of cadmium. It is felt that these rare earth filters might be able to supply valuable information in the region of low cutoff energies, especially in high temperature facilities where cadmium with its low melting point is difficult to use.