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Title: Deuterated stilbene (stilbene-d 12): An improved detector for fast neutrons

Abstract

Here, we have developed and evaluated two prototype fast neutron deuterated-stilbene scintillators. The largest scintillator is hexagonal in shape with volume 32 cm 3, comprised of deuterated crystalline trans-stilbene (stilbene-d 12). These samples were grown using a solution-based crystal growing method developed at Lawrence Livermore Laboratory to grow conventional 1H-based stilbene scintillator crystals. The stilbene-d 12 prototype detectors show excellent neutron/gamma discrimination, noticeably better than 1H-stilbene, and appear to have less asymmetry in the response to neutrons incident from different directions. Finally, like other deuterated scintillators, the stilbene-d 12 detectors in many applications can provide incident neutron energy spectra, without time of flight, by suitably unfolding the neutron light-output spectra.

Authors:
 [1];  [1];  [2];  [2];  [2];  [2];  [3];  [4];  [4]
  1. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Physics
  2. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Nuclear Engineering and Radiological Sciences
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); National Science Foundation (NSF); Dept. of Homeland Security (DHS) (United States)
OSTI Identifier:
1479728
Alternate Identifier(s):
OSTI ID: 1512599
Report Number(s):
LLNL-JRNL-757244
Journal ID: ISSN 0168-9002
Grant/Contract Number:  
AC05-00OR22725; AC52-07NA27344; NA0002534; PHY 14-01242; 2014-DN-077-ARI078-02; 2015-DN-077-ARI096
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: 908; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Nuclear science and engineering - Nuclear disarmament, safeguards, and physical protection

Citation Formats

Becchetti, F. D., Torres-Isea, R. O., Di Fulvio, A., Pozzi, S. A., Nattress, J., Jovanovic, I., Febbraro, M., Zaitseva, N., and Carman, L. Deuterated stilbene (stilbene-d12): An improved detector for fast neutrons. United States: N. p., 2018. Web. doi:10.1016/j.nima.2018.08.021.
Becchetti, F. D., Torres-Isea, R. O., Di Fulvio, A., Pozzi, S. A., Nattress, J., Jovanovic, I., Febbraro, M., Zaitseva, N., & Carman, L. Deuterated stilbene (stilbene-d12): An improved detector for fast neutrons. United States. doi:10.1016/j.nima.2018.08.021.
Becchetti, F. D., Torres-Isea, R. O., Di Fulvio, A., Pozzi, S. A., Nattress, J., Jovanovic, I., Febbraro, M., Zaitseva, N., and Carman, L. Fri . "Deuterated stilbene (stilbene-d12): An improved detector for fast neutrons". United States. doi:10.1016/j.nima.2018.08.021. https://www.osti.gov/servlets/purl/1479728.
@article{osti_1479728,
title = {Deuterated stilbene (stilbene-d12): An improved detector for fast neutrons},
author = {Becchetti, F. D. and Torres-Isea, R. O. and Di Fulvio, A. and Pozzi, S. A. and Nattress, J. and Jovanovic, I. and Febbraro, M. and Zaitseva, N. and Carman, L.},
abstractNote = {Here, we have developed and evaluated two prototype fast neutron deuterated-stilbene scintillators. The largest scintillator is hexagonal in shape with volume 32 cm3, comprised of deuterated crystalline trans-stilbene (stilbene-d12). These samples were grown using a solution-based crystal growing method developed at Lawrence Livermore Laboratory to grow conventional 1H-based stilbene scintillator crystals. The stilbene-d12 prototype detectors show excellent neutron/gamma discrimination, noticeably better than 1H-stilbene, and appear to have less asymmetry in the response to neutrons incident from different directions. Finally, like other deuterated scintillators, the stilbene-d12 detectors in many applications can provide incident neutron energy spectra, without time of flight, by suitably unfolding the neutron light-output spectra.},
doi = {10.1016/j.nima.2018.08.021},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 908,
place = {United States},
year = {2018},
month = {8}
}

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