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Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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DOE-EM awards $37.5M to Vanderbilt University for nuclear cleanup support
The Department of Energy’s Office of Environmental Management announced on January 16 that it has awarded a noncompetitive financial assistance agreement worth $37.5 million to Vanderbilt University in Nashville, Tenn., to aid the department’s mission of cleaning up legacy nuclear waste.
H. CONDÉ, N. STARFELT
Nuclear Science and Engineering | Volume 11 | Number 4 | December 1961 | Pages 397-404
Technical Paper | doi.org/10.13182/NSE61-A26041
Articles are hosted by Taylor and Francis Online.
Using a large liquid scintillator as the fission neutron detector the number of prompt neutrons per fission, ν, for Th232 and U238 have been measured at neutron energies of 3.6 and 14.9 Mev. The values for U238 of 2.79 ± 0.09 and 4.75 ± 0.12 are in good agreement with earlier accurate measurements while the Th232 values of 2.42 ± 0.10 and 4.43 ± 0.13 agree with the results of Kuzminov et al. and of Leroy but not so well with that of Smith et al. The parameters of the equation (En) = (0) + a·En, where En is the neutron energy in Mev, have been obtained by fitting a straight line to the available data using the least mean square method yielding (En) = 1.87 + 0.177 En for Th232 and (En) = 2.30 + 0.154 En for U238.
