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GUO Shi lun, TU Cai qing, RONG Chao fan, ZHAI Guang nian, WANG Zhi qiang, WANG Yu lan(China Institute of Atomic Energy, P.O. Box 275 96, Beijing 102413, China). Calibration of Neutron Detection Efficiency of Bubble Detectors[J]. Atomic Energy Science and Technology, 2000, 34(3): 212-212. DOI: 10.7538/yzk.2000.34.03.0212
Citation: GUO Shi lun, TU Cai qing, RONG Chao fan, ZHAI Guang nian, WANG Zhi qiang, WANG Yu lan(China Institute of Atomic Energy, P.O. Box 275 96, Beijing 102413, China). Calibration of Neutron Detection Efficiency of Bubble Detectors[J]. Atomic Energy Science and Technology, 2000, 34(3): 212-212. DOI: 10.7538/yzk.2000.34.03.0212
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  • A calibration has been carried out on neutron detection efficiency of bubble detectors prepared by China Institute of Atomic Energy at the tandem accelerator 2×1.7 MV by monoe nergetic neutrons of 20 keV～19 MeV from 7 Li(p,n) 7Be, T(p,n) 3He, D(d,n) 3He and T(d,n) 4He reactions. It shows that the bubble detectors have a threshold energy～100 keV. The detection efficiency increases steeply to three order of magnitude at the threshold. The detection efficiency above the threshold is nearly flat with value～1.5×10 -4. The bubble detectors can be used to measure neutron energy spectrum and as neutron dosimeter.
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