Abstract
The results of measurements of 1-MeV (Si) equivalent fast neutron fluence with silicon planar detectors are reported. The measurement method is based on the linear dependence of the reverse detector current increment on the neutron fluence: ΔI = α I × Φ × V. This technique provides an opportunity to measure the equivalent fluence in a wide dynamic range from 108 to 1016 cm–2 with an unknown neutron energy spectrum and without detector calibration. The proposed method was used for monitoring in radiation resistance tests of different detector types at channel no. 3 of IBR-2 and for determining the fluence of fission and leakage neutrons at the KVINTA setup.
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Original Russian Text © N.I. Zamyatin, A.E. Cheremukhin, A.I. Shafronovskaya, 2017, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2017.
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Zamyatin, N.I., Cheremukhin, A.E. & Shafronovskaya, A.I. Measuring fluence of fast neutrons with planar silicon detectors. Phys. Part. Nuclei Lett. 14, 762–777 (2017). https://doi.org/10.1134/S1547477117050156
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DOI: https://doi.org/10.1134/S1547477117050156