• NUCLEAR TECHNIQUES
  • Vol. 47, Issue 8, 080402 (2024)
Shaodong ZHANG1,*, Baoliang JIN1, and Xiaodong ZHANG2
Author Affiliations
  • 1North China Electric Power University, Beijing 102206, China
  • 2Shenzhen Key Laboratory of Nuclear and Radiation Safety, Institute for Advanced Study in Nuclear Energy & Safety, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
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    DOI: 10.11889/j.0253-3219.2024.hjs.47.080402 Cite this Article
    Shaodong ZHANG, Baoliang JIN, Xiaodong ZHANG. Evaluation of self-developed neutron detector based on EJ301 liquid scintillator[J]. NUCLEAR TECHNIQUES, 2024, 47(8): 080402 Copy Citation Text show less
    Structural design of liquid scintillator detector1. Liquid scintillator, 2. Glass window, 3. Light guide, 4. PMT
    Fig. 1. Structural design of liquid scintillator detector1. Liquid scintillator, 2. Glass window, 3. Light guide, 4. PMT
    Photos of materials for encapsulating liquid scintillators(a) Quartz glass, (b) Encapsulation container, (c) Liquid scintillator
    Fig. 2. Photos of materials for encapsulating liquid scintillators(a) Quartz glass, (b) Encapsulation container, (c) Liquid scintillator
    Physical photo of experimental measurement device
    Fig. 3. Physical photo of experimental measurement device
    (a) Energy spectra of 22Na and 60Co measured by EJ301-Z detector, (b) Energy calibration curve
    Fig. 4. (a) Energy spectra of 22Na and 60Co measured by EJ301-Z detector, (b) Energy calibration curve
    Waveforms of neutron and gamma measured by EJ301-Z detector
    Fig. 5. Waveforms of neutron and gamma measured by EJ301-Z detector
    Test result charts (a) Energy spectrum of 252Cf, (b) PSD spectrum of 252Cf, (c) Two-dimensional energy spectrum vs. PSD of 252Cf
    Fig. 6. Test result charts (a) Energy spectrum of 252Cf, (b) PSD spectrum of 252Cf, (c) Two-dimensional energy spectrum vs. PSD of 252Cf
    Variation curves of FOM values with energy for three liquid scintillator detectors
    Fig. 7. Variation curves of FOM values with energy for three liquid scintillator detectors
    Discrimination results of EJ301-Z detector (a) Charge comparison method, (b) Time-of-flight method, (c) Charge comparison method vs. time-of-flight method
    Fig. 8. Discrimination results of EJ301-Z detector (a) Charge comparison method, (b) Time-of-flight method, (c) Charge comparison method vs. time-of-flight method
    Time-of-flight spectrum with an energy threshold of 50 keV
    Fig. 9. Time-of-flight spectrum with an energy threshold of 50 keV
    Neutron and gamma discrimination results for an energy threshold of 150 keV (a) Charge comparison method, (b) Time-of-flight method
    Fig. 10. Neutron and gamma discrimination results for an energy threshold of 150 keV (a) Charge comparison method, (b) Time-of-flight method
    能量阈值 Energy thresholds / keV105070100120140150
    RGMD21.75.62.51.20.750.410.09
    Table 1. RGMDs for different energy thresholds (‰)
    Shaodong ZHANG, Baoliang JIN, Xiaodong ZHANG. Evaluation of self-developed neutron detector based on EJ301 liquid scintillator[J]. NUCLEAR TECHNIQUES, 2024, 47(8): 080402
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