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Registration of Delayed Neutrons from 238U Photofission at Eγmax ≅ 10 MeV in Interval (1–5) ms after Beam Pulses of the Electron Accelerator

  • PARTICLE ACCELERATORS FOR NUCLEAR TECHNOLOGY
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Abstract

In this article, we describe an experimental verification of the correctness of registration of delayed neutrons from 238U photofission at a maximum energy of 10 MeV of bremsstrahlung γ quanta on a pulsed linear electron accelerator LUE-8-5 in an interval of (1–5) ms after each beam pulse at times ≳7 min from the onset of irradiation. The measurements have been carried out using the scintillation spectrometer of fast neutrons based on a single stilbene crystal with pulse shape discrimination of γ quanta and fast neutrons. The temporal dependence of the counting rate of delayed neutrons in 238U photofission has been measured at a repetition rate of 300 s–1 in a time interval of (1.25–3.30) ms after the beam pulse.

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Authors and Affiliations

  1. Institute for Nuclear Research, Russian Academy of Sciences, 117312, Moscow, Russia

    L. Z. Dzhilavyan, A. M. Lapik, L. N. Latysheva, V. G. Nedorezov, V. N. Ponomarev, A. V. Rusakov, N. M. Sobolevsky & G. V. Solodukhov

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  1. L. Z. Dzhilavyan
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  2. A. M. Lapik
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  3. L. N. Latysheva
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  4. V. G. Nedorezov
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  5. V. N. Ponomarev
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  6. A. V. Rusakov
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  7. N. M. Sobolevsky
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  8. G. V. Solodukhov
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Correspondence to L. Z. Dzhilavyan.

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Translated by G. Dedkov

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Dzhilavyan, L.Z., Lapik, A.M., Latysheva, L.N. et al. Registration of Delayed Neutrons from 238U Photofission at Eγmax ≅ 10 MeV in Interval (1–5) ms after Beam Pulses of the Electron Accelerator. Phys. Atom. Nuclei 84, 1610–1619 (2021). https://doi.org/10.1134/S1063778821090131

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  • DOI: https://doi.org/10.1134/S1063778821090131

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