0
Special Section on Research Center Řež: Nuclear-Engineering Activities in 2018

Testing of Scintillation Detectors in Quasi-Monoenergetic Neutron Spectra in a Silicon Filtered Neutron Beam at the LVR-15 Research Reactor

[+] Author and Article Information
Michal Košťál

Research Center Rez, Ltd.,
Husinec-Rez 250 68, Czech Republic
e-mail: Michal.Kostal@cvrez.cz

Zdeněk Matěj

Faculty of Informatics,
Masaryk University,
Botanická 15,
Brno 612 00, Czech Republic

Filip Mravec

Faculty of Informatics,
Masaryk University,
Botanická 15,
Brno 612 00, Czech Republic

František Cvachovec

Department of Mathematics and Physics,
University of Defence,
Kounicova 65,
Brno 612 00, Czech Republic

Martin Schulc, Vlastimil Juříček, Vojtěch Rypar, Jaroslav Šoltés, Evžen Losa, Ladislav Viererbl

Research Center Rez, Ltd.,
Husinec-Rez 250 68, Czech Republic

1Corresponding author.

Manuscript received July 19, 2018; final manuscript received March 11, 2019; published online May 29, 2019. Assoc. Editor: Leon Cizelj.

ASME J of Nuclear Rad Sci 5(3), 030915 (May 29, 2019) (5 pages) Paper No: NERS-18-1054; doi: 10.1115/1.4043197 History: Received July 19, 2018; Revised March 11, 2019

With increasing needs of neutron detection in energy and homeland security sectors, there is an aim in the development of new suitable detection materials with possible n/g separation and also satisfactory resolution. This issue is connected with a well-defined neutron field. The neutron standards 252Cf(spontaneous fission) and 235U(nth fission) have smooth spectra; thus, the tests in these fields can be used for testing of neutron gamma pulse shape discrimination (PSD), but cannot reveal possible problems in the deconvolution. New neutron field which is formed from fission spectrum filtered by 1 m thick silicon block was developed in Research Center Rez. Due to the course of the silicon cross section, the well-distinguished neutron peaks occur in filtered neutron spectrum. In this field, various scintillation materials, HIDEX Aqualight, and EJ299-33A were tested.

FIGURES IN THIS ARTICLE
<>
Copyright © 2019 by ASME
Your Session has timed out. Please sign back in to continue.

References

Bourne, M. M. , Clarke, S. D. , Adamowicz, N. , Pozzi, S. A. , Zaitseva, N. , and Carman, L. , 2016, “ Neutron Detection in a High-Gamma Field Using Solution-Grown Stilbene,” Nucl. Instrum. Methods Phys. Res. A, 806, pp. 348–355. [CrossRef]
Brooks, F. D. , 1979, “ Development of Organic Scintillators,” Nucl. Instrum. Methods, 162(1–3), p. 477. [CrossRef]
Norsworthy, M. A. , Poitrasson-Rivière, A. , Ruch, M. L. , Clarke, S. D. , and Pozzi, S. A. , 2017, “ Evaluation of Neutron Light Output Response Functions in EJ-309 Organic Scintillators,” Nucl. Instrum. Methods A, 842, pp. 20–27. [CrossRef]
Cvachovec, F. , Cvachovec, J. , and Tajovsky, P. , 2002, “ Anisotropy of Light Output in Response of Stilbene Detectors,” Nucl. Instr. Meth., A476(1–2), p. 200. [CrossRef]
Košťál, M. , Šoltés, J. , Viererbl, L. , Matěj, Z. , Cvachovec, F. , Rypar, V. , and Losa, E. , 2017, “ Measurement of Neutron Spectra in a Silicon Filtered Neutron Beam Using Stilbene Detectors at the LVR-15 Research Reactor,” Appl. Radiat. Isot., 128, p. 41. [CrossRef] [PubMed]
Zboray, R. , Adams, R. , and Kis, Z. , 2017, “ Fast Neutron Radiography and Tomography at a 10 MW Research Reactor Beamline,” Appl. Radiat. Isot., 119, pp. 43–50. [CrossRef] [PubMed]
Buffler, A. , and Tickner, J. , 2010, “ Detecting Contraband Using Neutrons: Challenges and Future Directions,” Radiat. Meas., 45(10), p. 1186. [CrossRef]
Buffler, A. , 2004, “ Contraband Detection With Fast Neutrons,” Radiat. Phys. Chem., 71(3–4), pp. 853–861. [CrossRef]
Koleska, M. , Ernest, J. , Vins, M. , and Stehno, J. , 2015, “ Capabilities of the LVR-15 Research Reactor for Production of Medical and Industrial Radioisotopes,” J. Radioanal. Nucl. Chem., 305, pp. 51–59. [CrossRef]
Koleška, M. , Viererbl, L. , Marek, M. , Ernest, J. , Šunka, M. , and Vinš, M. , 2016, “ Determination of IRT-2M Fuel Burnup by Gamma Spectrometry,” Appl. Radiat. Isot., 107, pp. 92–97. [CrossRef] [PubMed]
Veškrna, M. , Matěj, Z. , Mravec, F. , Přenosil, V. , Cvachovec, F. , and Košťál, M. , 2014, “ Digitalized Two Parametric System for Gamma/Neutron Spectrometry,” 18th Topical Meeting of the Radiation Protection and Shielding Division of ANS, Knoxville, TN, Sept. 14–18, pp. 216–219.
Matej, Z. , 2014, Digitalization of Spectrometric System for Mixed Field of Radiation, Saarbrücken: LAP LAMBERT Academic Publishing, p. 136.
Cvachovec, J. , and Cvachovec, F. , 2007, “ Maximum Likelihood Estimation of a Neutron Spectrum and Associated Uncertainties,” Adv. Military Technol., 1(2), pp. 5–28.
Goorley, T. , James, M. , Booth, T. , Brown, F. , Bull, J. , Cox, L. J. , Durkee, J. , Elson, J. , Fensin, M. , Forster, R. A. , Hendricks, J. , Hughes, H. G. , Johns, R. , Kiedrowski, B. , Martz, R. , Mashnik, S. , McKinney, G. , Pelowitz, D. , Prael, R. , Sweezy, J. , Waters, L. , Wilcox, T. , and Zukaitis, T. , 2012, “ Initial MCNP6 Release Overview,” Nucl. Technol., 180(3), pp. 298–315. [CrossRef]
Chadwick, M. B. , Obložinský, P. , Herman, M. , Greene, N. M. , McKnight, R. D. , Smith, D. L. , Young, P. G. , MacFarlane, R. E. , Hale, G. M. , Frankle, S. C. , Kahler, A. C. , Kawano, T. , Little, R. C. , Madland, D. G. , Moller, P. , Mosteller, R. D. , Page, P. R. , Talou, P. , Trellue, H. , White, M. C. , Wilson, W. B. , Arcilla, R. , Dunford, C. L. , Mughabghab, S. F. , Pritychenko, B. , Rochman, D. , Sonzogni, A. A. , Lubitz, C. R. , Trumbull, T. H. , Weinman, J. P. , Brown, D. A. , Cullen, D. E. , Heinrichs, D. P. , McNabb, D. P. , Derrien, H. , Dunn, M. E. , Larson, N. M. , Leal, L. C. , Carlson, A. D. , Block, R. C. , Briggs, J. B. , Cheng, E. T. , Huria, H. C. , Zerkle, M. L. , Kozier, K. S. , Courcelle, A. , Pronyaev, V. , and van der Marck, S. C. , 2006, “ ENDF/B-VII.0: Next Generation Evaluated Nuclear Data Library for Nuclear Science and Technology,” Nucl. Data Sheets, 107(12), pp. 2931–3060. [CrossRef]
Viererbl, L. , Soltes, J. , Lahodova, Z. , Kostal, M. , and Vins, M. , 2012, “ Horizontal Channel for Neutron Radiography and Tomography in LVR-15 Research Reactor,” RRFM/IGORR, Prague, Czech Republic, Mar. 18–22, pp. 638–642.
Prusachenko, P. S. , Khryachkov, V. A. , Ketlerov, V. V. , Bokhovko, M. V. , and Bondarenko, I. P. , 2018, “ Optimization of the n/γ Separation Algorithm for a Digital Neutron Spectrometer,” Nucl. Instrum. Methods Phys. Res. Sect. A, 905, pp. 160–170. [CrossRef]
Taggart, M. P. , and Sellin, P. J. , 2018, “ Comparison Pulse Shape Discrimination Performance Plastic Scintillators Coupled to a SiPM,” Nucl. Instrum. Methods Phys. Res. Sect. A, 908, pp. 148–154. [CrossRef]
Hartman, J. , Barzilov, A. , Peters, E. E. , and Yates, S. W. , 2015, “ Measurements of Response Functions of EJ-299-33A Plastic Scintillator for Fast Neutrons,” Nucl. Instrum. Methods Phys. Res. Sect. A, 804, pp. 137–143. [CrossRef]

Figures

Grahic Jump Location
Fig. 1

Upper and side view of LVR-15, a red arrow shows the position of the HK-1 beam

Grahic Jump Location
Fig. 2

Calculated and measured neutron spectrum (stilbene 10 × 10 mm2) at the measuring position 0.46 m from the end of beam port

Grahic Jump Location
Fig. 3

Illustration of the integration method used in discriminating particle response

Grahic Jump Location
Fig. 4

Pulse shape discrimination of studied scintillators

Grahic Jump Location
Fig. 5

Proton recoil spectra for various crystals in 0.12 m Bi and 0.15 m lead filter

Grahic Jump Location
Fig. 6

Comparison of neutron spectra measured by stilbene 10 × 10 mm and plastic scintillator EJ299-33A

Tables

Errata

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In