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Title: Recent developments in plastic scintillators with pulse shape discrimination

Abstract

The paper reports results of studies conducted to improve scintillation performance of plastic scintillators capable of neutron/gamma pulse-shape discrimination (PSD). Compositional modifications made with the polymer matrix improved physical stability, allowing for increased loads of the primary dye that, in combination with selected secondary dyes, provided enhanced PSD especially important for the lower energy ranges. Additional measurements were made with a newly-introduced PSD plastic EJ-276, that replaces the first commercially produced EJ-299. Comparative studies conducted with the new materials and EJ-309 liquids at large scale (up to 10 cm) show that current plastics may provide scintillation and PSD performance sufficient for the replacement of liquid scintillators. In conclusion, comparison to stilbene single crystals compliments the information about the status of the solid-state materials recently developed for fast neutron detection applications.

Authors:
 [1];  [1];  [1];  [1];  [2];  [3];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Eljen Technology, Sweetwater, TX (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Georgia Inst. of Technology, Atlanta, GA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1466916
Report Number(s):
LLNL-JRNL-743111
Journal ID: ISSN 0168-9002; 897564
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 889; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Pulse shape discrimination; Neutron detection; PSD plastic; Organic scintillator; Stilbene crystal

Citation Formats

Zaitseva, N. P., Glenn, A. M., Mabe, A. N., Carman, M. L., Hurlbut, C. R., Inman, J. W., and Payne, S. A.. Recent developments in plastic scintillators with pulse shape discrimination. United States: N. p., 2018. Web. https://doi.org/10.1016/j.nima.2018.01.093.
Zaitseva, N. P., Glenn, A. M., Mabe, A. N., Carman, M. L., Hurlbut, C. R., Inman, J. W., & Payne, S. A.. Recent developments in plastic scintillators with pulse shape discrimination. United States. https://doi.org/10.1016/j.nima.2018.01.093
Zaitseva, N. P., Glenn, A. M., Mabe, A. N., Carman, M. L., Hurlbut, C. R., Inman, J. W., and Payne, S. A.. Thu . "Recent developments in plastic scintillators with pulse shape discrimination". United States. https://doi.org/10.1016/j.nima.2018.01.093. https://www.osti.gov/servlets/purl/1466916.
@article{osti_1466916,
title = {Recent developments in plastic scintillators with pulse shape discrimination},
author = {Zaitseva, N. P. and Glenn, A. M. and Mabe, A. N. and Carman, M. L. and Hurlbut, C. R. and Inman, J. W. and Payne, S. A.},
abstractNote = {The paper reports results of studies conducted to improve scintillation performance of plastic scintillators capable of neutron/gamma pulse-shape discrimination (PSD). Compositional modifications made with the polymer matrix improved physical stability, allowing for increased loads of the primary dye that, in combination with selected secondary dyes, provided enhanced PSD especially important for the lower energy ranges. Additional measurements were made with a newly-introduced PSD plastic EJ-276, that replaces the first commercially produced EJ-299. Comparative studies conducted with the new materials and EJ-309 liquids at large scale (up to 10 cm) show that current plastics may provide scintillation and PSD performance sufficient for the replacement of liquid scintillators. In conclusion, comparison to stilbene single crystals compliments the information about the status of the solid-state materials recently developed for fast neutron detection applications.},
doi = {10.1016/j.nima.2018.01.093},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 889,
place = {United States},
year = {2018},
month = {2}
}

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Cited by: 11 works
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Works referenced in this record:

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    Works referencing / citing this record:

    Optical properties and pulse shape discrimination in siloxane-based scintillation detectors
    journal, June 2019


    Imaging Special Nuclear Material using a Handheld Dual Particle Imager
    journal, February 2020


    Initiator-free preparation and properties of polystyrene-based plastic scintillators
    journal, July 2019