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Cold neutron prompt gamma activation analysis at NIST: A progress report

  • Nuclear and Related Techniques
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Abstract

An instrument for prompt gamma-ray activation analysis is now in operation at the NIST Cold Neutron Research Facility (CNRF). The cold neutron beam is relatively free of contamination by fast neutrons and reactor gamma rays, and the neutron fluence rate is 1.5·108 cm−2·s−1 (thermal equivalent). As a result of a compact target-detector geometry the sensitivity is better by a factor of as much as seven than that obtained with an existing thermal instrument, and hydrogen background is a factor of 50 lower. We have applied this instrument to multielement analysis of the Allende meteorite and other materials.

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Authors and Affiliations

  1. Inorganic Analytical Research Division, National Institute of Standards and Technology, 20899, Gaithersburg, MD, (USA)

    R. L. Paul & R. M. Lindstrom

  2. Department of Nuclear Engineering, The University of Michigan, 48109, Ann Arbor, Michigan, (USA)

    D. H. Vincent

Authors
  1. R. L. Paul
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  2. R. M. Lindstrom
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  3. D. H. Vincent
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Paul, R.L., Lindstrom, R.M. & Vincent, D.H. Cold neutron prompt gamma activation analysis at NIST: A progress report. Journal of Radioanalytical and Nuclear Chemistry, Articles 180, 263–269 (1994). https://doi.org/10.1007/BF02035914

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  • DOI: https://doi.org/10.1007/BF02035914

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