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Manufacturing and Characteristics of Composite Scintillators Based on Lithium Glass

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Abstract

Samples of composite scintillators consisting of NE 912 lithium glass fragments located in an organic matrix have been developed and manufactured. Samples were made in sizes of ∅40 × 2 mm with 25, 30, and 35% lithium glass concentration. Epoxy and acrylic resins, as well as a silicone compound, were used as a neutral matrix. Samples were tested as part of a scintillation detector on a thermal neutron beam and with source of γ-quanta 60Co. The efficiency of thermal neutrons' registration and γ-sensitivity compared to a homogeneous glass scintillator was determined. The results obtained confirmed the possibility of reducing the sensitivity of the detector to γ-quanta by two orders of magnitude due to a slight (50%) decrease in the efficiency of neutron detection.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dzhelepov Laboratory of Nuclear Problems, 141980, Dubna, Moscow oblast, Russia

    E. S. Kuzmin, I. Yu. Zimin & N. A. Kuchinskiy

  2. Joint Institute for Nuclear Research, Frank Laboratory of Neutron Physics, 141980, Dubna, Moscow oblast, Russia

    G. D. Bokuchava & A. A. Kruglov

Authors
  1. E. S. Kuzmin
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  2. G. D. Bokuchava
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  3. I. Yu. Zimin
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  4. A. A. Kruglov
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  5. N. A. Kuchinskiy
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Correspondence to E. S. Kuzmin.

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Kuzmin, E.S., Bokuchava, G.D., Zimin, I.Y. et al. Manufacturing and Characteristics of Composite Scintillators Based on Lithium Glass. Instrum Exp Tech 65, 583–588 (2022). https://doi.org/10.1134/S0020441222040212

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  • DOI: https://doi.org/10.1134/S0020441222040212

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