NUCLEAR TECHNIQUES, Volume. 48, Issue 4, 040401(2025)

Dvelopment and application of pulsed neutron rem counter

Mingyang YAN1,2, Zhiliang HU2,3、*, Yinhong ZHANG2, Zhongjian MA2, Haoyu SHI2, Zheng WANG2, Qingbin WANG2,3, and Weimin LI1
Author Affiliations
  • 1National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
  • 2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3Spallation Neutron Source Science Center, Dongguan 523803, China
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    Figures & Tables(17)
    Snapshot of Rem counter of Berthold LB6411
    Schematic diagram of neutron count losses
    Physical model of pulsed neutron detection
    Physical photo of LND20262 BF3 proportional counter
    Physical photo of analog signal amplification circuit test
    I-V transform curve
    Appearance diagram of the VANE detector
    Comparison plot of the detector energy response curve with the H*(10) curve
    Current curve of a neutron nuclear reaction
    Distribution of neutron nuclear reaction charge after continuous measurement of 450 neutron nuclear reactions
    Snapshot of neutron dosmeter calibration in reference radiation field
    Snapshot of experimental site at the irradiation room of ANIS spectrometer
    Correlation curve of β-Ni
    Screenshot of LabVIEW measurement display interface
    Illustration of temporal nuclear reaction from a single-pulse neutron storm
    • Table 1. The basic physical parameters of CSNS

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      Table 1. The basic physical parameters of CSNS

      参数Parameter值Value
      粒子类型Partical质子Proton
      能量Energy / GeV1.6
      单束团时间宽度Bunch duty / ns~80
      靶Target material钨Tungsten
      频率Frequency / Hz25
      功率Power / kW16
    • Table 2. The pulsed neutron measurement at ANIS

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      Table 2. The pulsed neutron measurement at ANIS

      工况

      Operating conditions

      钨厚度

      Tungsten thickness / cm

      测量值

      Measured value

      / μSv·h-1

      Niβ

      修正值

      Correction value

      / μSv·h-1

      仿真值

      Calculated value

      / μSv·h-1

      修正值/仿真值

      Correction value

      /calculated value

      1352.37×103231.0032.38×1031.43×103 (15%)1.66
      2305.18×103711.0075.21×1034.49×103 (11%)1.16
      3202.60×1043031.0372.70×1041.91×103 (4.7%)1.41
      4155.15×1047641.075.53×1044.82×104 (<1%)1.15
      553.05×1054 5211.444.39×1053.57×105 (<1%)1.23
      607.10×10510 5242.011.43×1061.33×106 (<1%)1.07
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    Mingyang YAN, Zhiliang HU, Yinhong ZHANG, Zhongjian MA, Haoyu SHI, Zheng WANG, Qingbin WANG, Weimin LI. Dvelopment and application of pulsed neutron rem counter[J]. NUCLEAR TECHNIQUES, 2025, 48(4): 040401

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    Paper Information

    Category: NUCLEAR ELECTRONICS AND INSTRUMENTATION

    Received: Nov. 8, 2024

    Accepted: --

    Published Online: Jun. 3, 2025

    The Author Email: Zhiliang HU (胡志良)

    DOI:10.11889/j.0253-3219.2025.hjs.48.240448

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