Measurements of delayed neutron emission from Np-237, Am-241, and Am-243

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Isotopes of transuranic elements are produced as a result of successive radiative capture reactions in the fuel of a nuclear reactor. Typically, these transuranic isotopes decay through long chains, have long half lives and dominate the long term toxicity of the spent reactor fuel. One of the options for waste management is to remove the transuranic from spent fuel by chemical processing, to load them into new special fuel elements, and to transmute them by neutron induced fission into shorter-lived fission fragments. Previous studies have shown the feasibility of actinide transmutation in either Light Water Reactors or Liquid Metal Fast ... continued below

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4 p.

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Saleh, H. H.; Parish, T. A. & Raman, S. December 1995.

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Description

Isotopes of transuranic elements are produced as a result of successive radiative capture reactions in the fuel of a nuclear reactor. Typically, these transuranic isotopes decay through long chains, have long half lives and dominate the long term toxicity of the spent reactor fuel. One of the options for waste management is to remove the transuranic from spent fuel by chemical processing, to load them into new special fuel elements, and to transmute them by neutron induced fission into shorter-lived fission fragments. Previous studies have shown the feasibility of actinide transmutation in either Light Water Reactors or Liquid Metal Fast Reactors. Due to the anticipated high transuranic loadings in the fuel of actinide burner reactors, the neutronic properties of the transuranic isotopes will have a significant effect on the operational and safety characteristics of such reactors. Experiments to determine delayed neutron group yields and decay constants for Np-237, Am-241, and Am-243 have been designed and carried out. The experiments were conducted at Texas A&M University TRIGA reactor using a very fast pneumatic transfer system.

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4 p.

Notes

INIS; OSTI as DE96003020

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  • Annual meeting of the American Nuclear Society (ANS), Philadelphia, PA (United States), 25-29 Jun 1995

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  • Other: DE96003020
  • Report No.: CONF-950601--28
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/162197 | External Link
  • Office of Scientific & Technical Information Report Number: 162197
  • Archival Resource Key: ark:/67531/metadc618501

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Office of Scientific & Technical Information Technical Reports

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  • December 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 8, 2016, 7:22 p.m.

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Saleh, H. H.; Parish, T. A. & Raman, S. Measurements of delayed neutron emission from Np-237, Am-241, and Am-243, report, December 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc618501/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.