Transparent plastic scintillators for neutron detection based on lithium salicylate

Mabe, Andrew N.; Glenn, Andrew M.; Carman, M. Leslie; Zaitseva, Natalia P.; Payne, Stephen A.

doi:10.1016/j.nima.2015.09.111

Title: Transparent plastic scintillators for neutron detection based on lithium salicylate

Journal Article · Wed Oct 14 04:00:00 UTC 2015 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI: https://doi.org/10.1016/j.nima.2015.09.111 · OSTI ID:1366905

Mabe, Andrew N. ^[1]; Glenn, Andrew M. ^[1]; Carman, M. Leslie ^[1]; Zaitseva, Natalia P. ^[1]; Payne, Stephen A. ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Transparent plastic scintillators with pulse shape discrimination containing ⁶Li salicylate have been synthesized by bulk polymerization with a maximum ⁶Li loading of 0.40 wt%. Photoluminescence and scintillation responses to gamma-rays and neutrons are reported in this paper. Plastics containing ⁶Li salicylate exhibit higher light yields and permit a higher loading of ⁶Li as compared to previously reported plastics based on lithium 3-phenylsalicylate. However, pulse shape discrimination performance is reduced in lithium salicylate plastics due to the requirement of adding more nonaromatic monomers to the polymer matrix as compared to those based on lithium 3-phenylsalicylate. Finally, reduction in light yield and pulse shape discrimination performance in lithium-loaded plastics as compared to pulse shape discrimination plastics without lithium is interpreted in terms of energy transfer interference by the aromatic lithium salts.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1366905

Report Number(s):: LLNL-JRNL--668979

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 806; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (2)

Large solubility of lithium carboxylates reaching high rates of 6 Li incorporation in polystyrene-based plastic scintillators for fast/thermal neutron and gamma ray detection Frangville, Camille; Hamel, Matthieu; Bertrand, Guillaume H. V. Materials Chemistry Frontiers, Vol. 3, Issue 8 https://doi.org/10.1039/c9qm00153k	journal	January 2019
⁶ Li ₂ ¹⁰ B ₄ O ₇ NPs-loaded plastic scintillators for fast/thermal neutron and gamma ray detection Frangville, Camille; Grabowski, Amélie; Dumazert, Jonathan Materials Chemistry Frontiers, Vol. 3, Issue 8 https://doi.org/10.1039/c9qm00222g	journal	January 2019

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
lithium salicylate
neutron detector
plastic scintillator
pulse shape discrimination

Title: Transparent plastic scintillators for neutron detection based on lithium salicylate

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References (20)

Cited By (2)

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