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The advantage of anti-Compton counting in the measurement of low-level radioactivity by gamma-ray spectrometry

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Abstract

The inherent advantage of anti-Compton counting of low-level radioactivity is defined in terms of changes in the limits of decision, detection and determination. It appears that the advantage factor can be expressed in the experimentally observed reductions of peak area, compton continuum and natural background. For an array equipped with a sample changer, the advantage factor for interference by the compton continuum is ≤4, while that for interference by the natural background amounts to ≈3. By sacrificing the sample changer and closing its gap with NaI-plug, additional factors of ≈1.5 and ≈2 can be obtained for compton and natural background, respectively.

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Authors and Affiliations

  1. Netherlands Energy Research Foundation ECN, P.O. Box 1, 1755 ZG, Petten (N. H.), (The Netherlands)

    H. A. Das

  2. Laboratory for Analytical Chemistry of the University of Amsterdam, Nieuwe Achtergracht 166, 1016 WV, Amsterdam, (The Netherlands)

    H. A. Das

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  1. H. A. Das
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Das, H.A. The advantage of anti-Compton counting in the measurement of low-level radioactivity by gamma-ray spectrometry. Journal of Radioanalytical and Nuclear Chemistry, Articles 115, 159–173 (1987). https://doi.org/10.1007/BF02041984

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  • DOI: https://doi.org/10.1007/BF02041984

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