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Title: Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass

Abstract

An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic scintillators. The electron light output was determined through relative comparison of the 137Cs Compton edge location. The proton light yield was measured using a double time-of-flight technique at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory. Using a tunable broad-spectrum neutron source and an array of pulse-shape-discriminating observation scintillators, a continuous measurement of the proton light yield was performed for EJ-309 (200 keV–3.2 MeV), EJ-276 (170 keV–4.9 MeV), and the organic glass (50 keV–20 MeV) . Finally, the PSD properties of the organic glass, EJ-309, and EJ-276 were evaluated using an AmBe source and compared via a figure-of-merit metric. The organic glass exhibited a higher electron light output than both EJ-309 and EJ-276. Its proton light yield and PSD performance were comparable to EJ-309 and superior to that of EJ-276. With these performance characteristics, the organic glass scintillator is well poised to replace current state-of-the-art PSD-capable scintillators in a range of fast neutron detection applications.

Authors:
 [1];  [2];  [1];  [3];  [4];  [1];  [1];  [5];  [5];  [1];  [1];  [1];  [1];  [4];  [1];  [1];  [1]
  1. Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear Science and Security Consortium
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Nonproliferation and Verification Research and Development (NA-22)
OSTI Identifier:
1716594
Alternate Identifier(s):
OSTI ID: 1728702
Report Number(s):
LLNL-JRNL-816808
Journal ID: ISSN 1748-0221; 1026451
Grant/Contract Number:  
AC52-07NA27344; AC02-05CH11231; NA0003180; NA0003525
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Instrumentation
Additional Journal Information:
Journal Volume: 15; Journal Issue: 11; Journal ID: ISSN 1748-0221
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Laplace, T. A., Goldblum, B. L., Bevins, J. E., Bleuel, D. L., Bourret, E., Brown, J. A., Callaghan, E. J., Carlson, J. S., Feng, P. L., Gabella, G., Harrig, K. P., Manfredi, J. J., Moore, C., Moretti, F., Shinner, M., Sweet, A., and Sweger, Z. W.. Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass. United States: N. p., 2020. Web. https://doi.org/10.1088/1748-0221/15/11/p11020.
Laplace, T. A., Goldblum, B. L., Bevins, J. E., Bleuel, D. L., Bourret, E., Brown, J. A., Callaghan, E. J., Carlson, J. S., Feng, P. L., Gabella, G., Harrig, K. P., Manfredi, J. J., Moore, C., Moretti, F., Shinner, M., Sweet, A., & Sweger, Z. W.. Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass. United States. https://doi.org/10.1088/1748-0221/15/11/p11020
Laplace, T. A., Goldblum, B. L., Bevins, J. E., Bleuel, D. L., Bourret, E., Brown, J. A., Callaghan, E. J., Carlson, J. S., Feng, P. L., Gabella, G., Harrig, K. P., Manfredi, J. J., Moore, C., Moretti, F., Shinner, M., Sweet, A., and Sweger, Z. W.. Wed . "Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass". United States. https://doi.org/10.1088/1748-0221/15/11/p11020.
@article{osti_1716594,
title = {Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass},
author = {Laplace, T. A. and Goldblum, B. L. and Bevins, J. E. and Bleuel, D. L. and Bourret, E. and Brown, J. A. and Callaghan, E. J. and Carlson, J. S. and Feng, P. L. and Gabella, G. and Harrig, K. P. and Manfredi, J. J. and Moore, C. and Moretti, F. and Shinner, M. and Sweet, A. and Sweger, Z. W.},
abstractNote = {An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic scintillators. The electron light output was determined through relative comparison of the 137Cs Compton edge location. The proton light yield was measured using a double time-of-flight technique at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory. Using a tunable broad-spectrum neutron source and an array of pulse-shape-discriminating observation scintillators, a continuous measurement of the proton light yield was performed for EJ-309 (200 keV–3.2 MeV), EJ-276 (170 keV–4.9 MeV), and the organic glass (50 keV–20 MeV) . Finally, the PSD properties of the organic glass, EJ-309, and EJ-276 were evaluated using an AmBe source and compared via a figure-of-merit metric. The organic glass exhibited a higher electron light output than both EJ-309 and EJ-276. Its proton light yield and PSD performance were comparable to EJ-309 and superior to that of EJ-276. With these performance characteristics, the organic glass scintillator is well poised to replace current state-of-the-art PSD-capable scintillators in a range of fast neutron detection applications.},
doi = {10.1088/1748-0221/15/11/p11020},
journal = {Journal of Instrumentation},
number = 11,
volume = 15,
place = {United States},
year = {2020},
month = {11}
}

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