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

Autor: Dzhilavyan, L. Z., Lapik, A. M., Latysheva, L. N., Nedorezov, V. G., Ponomarev, V. N., Rusakov, A. V., Sobolevsky, N. M., Solodukhov, G. V.
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Zdroj: Physics of Atomic Nuclei; Dec2021, Vol. 84 Issue 9, p1610-1619, 10p
Abstrakt: 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. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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