A comparative study of promising filter materials for neutron imaging facilities

Author:

Nazarov K. M.1,Kichanov S. E.2,Lukin E. V.2,Zel I. Yu.2,Kozlenko D. P.2,Zholdybayev T. K.3,Muhametuly B.4,Kenessarin M.3,Rutkauskas A. V.2,Yskakov A.5,Belova M. O.2

Affiliation:

1. Joint Institute for Nuclear Research, Dubna; L.N. Gumilyov Eurasian National University; The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan

2. Joint Institute for Nuclear Research

3. The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan; Al-Farabi Kazakh National University

4. Joint Institute for Nuclear Research; The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan; Al-Farabi Kazakh National University

5. Joint Institute for Nuclear Research; L.N. Gumilyov Eurasian National University; The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan

Abstract

The effect of sapphire and bismuth single-crystal filters and their combinations on the quality of neutron radiographic images and neutron tomography data has been studied. The parameters of the contrast of the neutron image were analyzed depending on the monocrystalline filters. Neutron transmission spectra were obtained for sapphire and bismuth single crystals. Additionally, the effect of filters on the overall intensity of the thermal neutron beam and the background of gamma-rays was investigated. Based on the obtained data, we assume that a single-crystal sapphire filter can be most effectively used for radiographic and tomographic installations using thermal neutrons.

Publisher

L. N. Gumilyov Eurasian National University

Subject

Physics and Astronomy (miscellaneous),Condensed Matter Physics,Materials Science (miscellaneous),Nuclear and High Energy Physics,Radiation

Reference42 articles.

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