Distortions in the Registration of Delayed Neutrons from 238U Photofission on a Pulsed Electron Linac Using a Scintillation Spectrometer in Pb Shielding

• Published in: Bulletin of the Russian Academy of Sciences. Physics Vol. 86; no. 4; pp. 488 - 494
• Main Authors: Dzhilavyan, L. Z., Lapik, A. M., Latysheva, L. N., Ponomarev, V. N., Rusakov, A. V., Sobolevsky, N. M.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-04-2022; Springer Nature B.V
• Subjects: Energy spectra; Hadrons; Heavy Ions; Neutrons; Nuclear Physics; Physics; Physics and Astronomy; Scintillation; Shielding; Stilbene; Wall thickness
• ISSN: 1062-8738; 1934-9432
• DOI: 10.3103/S1062873822040098

A study is performed of distortions in the registration of fluxes and energy spectra of delayed neutrons by a stilbene scintillation spectrometer inside Pb shielding. The delayed neutrons are products of
238
U photofission on a pulsed electron linear accelerator. The dependences of these distortions on the neutron energy and wall thickness of the Pb shielding are considered. Contributions from processes in the walls of the irradiation hall are described.