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Development of correction method for sample density effect on PGA

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Abstract

The accuracy of the prompt γ-ray analysis is known to degrade for the samples containing neutron-scattering materials, such as hydrogen, depending on its content. Recently, we discovered that the density of the scattering materials also affects the accuracy. In this paper, we developed a correction method for the effect of the sample densities. The developed correction method is straightforward and applicable to samples with unknown densities. The simulation and experiments verified the performance of the correction method. The results confirmed that the correction method could reduce the uncertainty due to sample density from 47% to approximately 1%.

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Acknowledgements

The authors wish to thank the crew of the J-PARC for providing the pulsed neutron beam.

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Authors and Affiliations

  1. Nuclear Science and Engineering Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai-Mura, Naka-Gun, Ibaraki, 319-1195, Japan

    Makoto Maeda, Mariko Segawa, Yosuke Toh, Shunsuke Endo, Shoji Nakamura & Atsushi Kimura

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  1. Makoto Maeda
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  2. Mariko Segawa
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  3. Yosuke Toh
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  4. Shunsuke Endo
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  5. Shoji Nakamura
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  6. Atsushi Kimura
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Correspondence to Makoto Maeda.

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Maeda, M., Segawa, M., Toh, Y. et al. Development of correction method for sample density effect on PGA. J Radioanal Nucl Chem 332, 2995–2999 (2023). https://doi.org/10.1007/s10967-023-08961-x

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  • DOI: https://doi.org/10.1007/s10967-023-08961-x

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