High Power Laser and Particle Beams, Volume. 37, Issue 1, 016003(2025)

In-situ calibration of the efficiency of a yttrium activation detection system by the accelerator-based DD fusion neutron source

Yimo Zhang, Biao Yang, Xingyu Peng, Qingyuan Hu*, Xuebin Zhu, Haibo You, Faqiang Zhang, and Taiping Peng
Author Affiliations
  • Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621999, China
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    Figures & Tables(10)
    Pulse height spectra measured when the detector is close to the target (orange) and away from the target (blue)
    Experimental setup
    Time-PSD distribution of the events measured under different conditions
    Count rates of the events measured when no yttrium disk is installed
    Using the yttrium disks with two different thickness, the neutron fluxes are reconstructed from the measurements
    Simulated of the radioactivation of the yttrium disk varieds with time
    Simulation of the radioactivation of the yttrium disk for different time bin width
    Count rates of the events of which the QDC values are between 1800 and 2200
    Pulse height spectra of the two time periold
    • Table 1. Results of calibration with 2 different thickness of the yttrium disk

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      Table 1. Results of calibration with 2 different thickness of the yttrium disk

      No.thickness/mmn1n2ϕn(t0)/s−1η
      1101119680476.09×1052.29×10−4
      2201283275947.25×1053.20×10−4
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    Yimo Zhang, Biao Yang, Xingyu Peng, Qingyuan Hu, Xuebin Zhu, Haibo You, Faqiang Zhang, Taiping Peng. In-situ calibration of the efficiency of a yttrium activation detection system by the accelerator-based DD fusion neutron source[J]. High Power Laser and Particle Beams, 2025, 37(1): 016003

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    Paper Information

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    Received: Aug. 15, 2024

    Accepted: Nov. 9, 2024

    Published Online: Feb. 21, 2025

    The Author Email: Qingyuan Hu (huqyuan@163.com)

    DOI:10.11884/HPLPB202537.240265

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