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Fast neutron spectrometer based on a diamond sensor detector

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Abstract

The paper presents the experimental assessment for the characteristics of a fast neutron spectrometer based on a diamond sensor detector. The presented characteristics include the energy range of detected neutrons, energy resolution, the effect of associated radiation (γ-quants and scattered neutrons) on the measurement results, as well as the range of the measured neutron flux density. Some effects typical to diamond-based detectors, e.g., the effect of polarization on the measurement results, are considered. The possibility of performing spectrometry of neutrons with an energy of 14 MeV at a resolution of less than 1% is demonstrated, including the influence of electronics, as well as the absence of a polarization effect on the detector operation during measurement at points where the fast neutron flux density is up to 107 s−1 ∙ cm−2.

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Authors and Affiliations

  1. National Research Nuclear University MEPhI, Moscow, Russian Federation

    R. F. Ibragimov, I. V. Urupa, E. V. Ryabeva & Y. A. Kokorev

  2. RFNC—VNIIEF, Sarov, Russian Federation

    V. V. Gaganov & I. S. Vershinin

Authors
  1. R. F. Ibragimov
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  2. I. V. Urupa
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  3. E. V. Ryabeva
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  4. Y. A. Kokorev
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  5. V. V. Gaganov
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  6. I. S. Vershinin
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Corresponding author

Correspondence to R. F. Ibragimov.

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Translated from Atomnaya Energiya, Vol. 134, No. 1–2, pp. 62–67, January–February, 2023.

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Original article submitted June 14, 2022.

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Ibragimov, R.F., Urupa, I.V., Ryabeva, E.V. et al. Fast neutron spectrometer based on a diamond sensor detector. At Energy 134, 81–87 (2023). https://doi.org/10.1007/s10512-023-01031-1

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  • DOI: https://doi.org/10.1007/s10512-023-01031-1

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