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Neutron Resonance Transmission Analysis of Reactor Spent Fuel Assemblies

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Neutron Radiography

Abstract

A method called Neutron Resonance Transmission Analysis (NRTA) is under study which would use a pulsed neutron beam for nondestructive isotopic assay of a complete spent fuel assembly. Neutrons removed from the collimated beam by absorption or scattering in the resonances of the various isotopes in the spent fuel appear as dips in the neutron transmission. The method is completely insensitive to matrix materials such as oxide, fuel cladding, and other structural members. Measurements on spent fuel buttons using the NBS linac as a pulsed neutron source demonstrate a high accuracy capability for the isotopes 234,235,236,238U, 239,240, 241,242Pu, 241Am, 243Am, and several fission products. The NRTA method offers high speed and modest operational cost, and it can be implemented with commercially available medical or radiographic y-ray generators adapted for neutron production.

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References

  1. Preismeyer, H.G., Harz, U., Atomkernenergie 25 (1975) 109.

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  2. Strauss, M.G., Lander, G.H., Brenner, R., Resonance NR using a pulsed neutron source and a two-dimensional scintillator detector, Proceedings of this Conference (1981).

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  3. Bowman, C.D., Nucl. Sci. Eng. 75 (1980) 12.

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Author information

Authors and Affiliations

  1. National Bureau of Standards, Washington, DC, 20234, USA

    C. D. Bowman, R. A. Schrack, J. W. Behrens & R. G. Johnson

Authors
  1. C. D. Bowman
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  2. R. A. Schrack
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  3. J. W. Behrens
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  4. R. G. Johnson
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Editor information

Editors and Affiliations

  1. Neutron Radiography Consulting, P.O. Box 206, La Jolla, California, USA

    John P. Barton

  2. C.E.C., Joint Research Centre, Box 2, 1755 ZG, Petten Establishment, Petten, The Netherlands

    Peter von der Hardt

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© 1983 ECSC, EEC, EAEC, Brussels and Luxembourg

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Bowman, C.D., Schrack, R.A., Behrens, J.W., Johnson, R.G. (1983). Neutron Resonance Transmission Analysis of Reactor Spent Fuel Assemblies. In: Barton, J.P., von der Hardt, P. (eds) Neutron Radiography. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7043-4_62

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  • DOI: https://doi.org/10.1007/978-94-009-7043-4_62

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-7045-8

  • Online ISBN: 978-94-009-7043-4

  • eBook Packages: Springer Book Archive

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