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Title: Plutonium metal vs. oxide determination with the pulse-shape-discrimination-capable plastic scintillator EJ-299-33

Abstract

Neutron measurements can be used to distinguish plutonium in metal or oxide form, a capability that is of great interest in nuclear nonproliferation, treaty verification, and other applications. This paper describes measurements performed on well-characterized samples of plutonium oxide and plutonium metal using the pulse-shape-discrimination-capable plastic scintillator EJ-299-33. Results are compared to those obtained with a same-sized detector cell using the liquid scintillator EJ-309. The same optimized, digital pulse shape discrimination technique is applied to both detectors and the neutron pulse height distributions are compared. Results show that the EJ-299-33 plastics can be successfully used for plutonium measurements, where the gamma ray to neutron detection ratio is much higher than for typical radioactive sources. Results also show that EJ-299-33 detectors can be used to characterize plutonium samples, specifically to discriminate between plutonium metal and oxide.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [2]
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  1. University of Michigan, Ann Arbor, MI (United States)
  2. European Commission, Ispra (Italy)
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF); US Department of Homeland Security (DHS)
OSTI Identifier:
1365712
Alternate Identifier(s):
OSTI ID: 1556644
Grant/Contract Number:  
NA0002534; FG52-10NA29654; CMMI 0938909
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: 767; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; neutron detector; plastic scintillator; EJ-299-33; plutonium; metal vs. oxide

Citation Formats

Pozzi, S. A., Bourne, M. M., Dolan, J. L., Polack, K., Lawrence, C., Flaska, M., Clarke, S. D., Tomanin, A., and Peerani, P. Plutonium metal vs. oxide determination with the pulse-shape-discrimination-capable plastic scintillator EJ-299-33. United States: N. p., 2014. Web. doi:10.1016/j.nima.2014.08.002.
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Pozzi, S. A., Bourne, M. M., Dolan, J. L., Polack, K., Lawrence, C., Flaska, M., Clarke, S. D., Tomanin, A., & Peerani, P. Plutonium metal vs. oxide determination with the pulse-shape-discrimination-capable plastic scintillator EJ-299-33. United States. https://doi.org/10.1016/j.nima.2014.08.002
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Pozzi, S. A., Bourne, M. M., Dolan, J. L., Polack, K., Lawrence, C., Flaska, M., Clarke, S. D., Tomanin, A., and Peerani, P. Mon . "Plutonium metal vs. oxide determination with the pulse-shape-discrimination-capable plastic scintillator EJ-299-33". United States. https://doi.org/10.1016/j.nima.2014.08.002. https://www.osti.gov/servlets/purl/1365712.
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@article{osti_1365712,
title = {Plutonium metal vs. oxide determination with the pulse-shape-discrimination-capable plastic scintillator EJ-299-33},
author = {Pozzi, S. A. and Bourne, M. M. and Dolan, J. L. and Polack, K. and Lawrence, C. and Flaska, M. and Clarke, S. D. and Tomanin, A. and Peerani, P.},
abstractNote = {Neutron measurements can be used to distinguish plutonium in metal or oxide form, a capability that is of great interest in nuclear nonproliferation, treaty verification, and other applications. This paper describes measurements performed on well-characterized samples of plutonium oxide and plutonium metal using the pulse-shape-discrimination-capable plastic scintillator EJ-299-33. Results are compared to those obtained with a same-sized detector cell using the liquid scintillator EJ-309. The same optimized, digital pulse shape discrimination technique is applied to both detectors and the neutron pulse height distributions are compared. Results show that the EJ-299-33 plastics can be successfully used for plutonium measurements, where the gamma ray to neutron detection ratio is much higher than for typical radioactive sources. Results also show that EJ-299-33 detectors can be used to characterize plutonium samples, specifically to discriminate between plutonium metal and oxide.},
doi = {10.1016/j.nima.2014.08.002},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 767,
place = {United States},
year = {Mon Aug 11 00:00:00 EDT 2014},
month = {Mon Aug 11 00:00:00 EDT 2014}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.nima.2014.08.002
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Cited by: 11 works
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Figures / Tables:

Fig. 1 Fig. 1: Measurement setup used for this experiment.
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Works referenced in this record:

Pulse-height distributions of neutron and gamma rays from plutonium-oxide samples
journal, September 2009

  • Pozzi, S. A.; Clarke, S. D.; Flaska, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 608, Issue 2
  • DOI: 10.1016/j.nima.2009.07.007

Plastic scintillators with efficient neutron/gamma pulse shape discrimination
journal, March 2012

  • Zaitseva, Natalia; Rupert, Benjamin L.; PaweŁczak, Iwona
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 668, p. 88-93
  • DOI: 10.1016/j.nima.2011.11.071

Pulse shape discrimination in the plastic scintillator EJ-299-33
journal, September 2013

  • Pozzi, S. A.; Bourne, M. M.; Clarke, S. D.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 723
  • DOI: 10.1016/j.nima.2013.04.085

Radioluminescent characteristics of the EJ 299-33 plastic scintillator
journal, November 2013

  • Nyibule, S.; Henry, E.; Schröder, W. U.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 728
  • DOI: 10.1016/j.nima.2013.06.020

Experimental tests of the new plastic scintillator with pulse shape discrimination capabilities EJ-299-33
journal, January 2014

  • Cester, D.; Nebbia, G.; Stevanato, L.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 735
  • DOI: 10.1016/j.nima.2013.09.031

ENDF/B-VII.0: Next Generation Evaluated Nuclear Data Library for Nuclear Science and Technology
journal, December 2006

Identification of shielded neutron sources with the liquid scintillator BC-501A using a digital pulse shape discrimination method
journal, July 2007

  • Flaska, M.; Pozzi, S. A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 577, Issue 3
  • DOI: 10.1016/j.nima.2007.04.141
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    Fig. 1 (p. 2)figure
    Table I (p. 2)table
    Fig. 2 (p. 3)figure
    Fig. 3 (p. 4)figure
    Fig. 4 (p. 4)figure
    Table II (p. 5)table
    Fig. 5 (p. 6)figure
    Table III (p. 7)table
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