Time response of helium scintillation fission neutron detector

Zhang Xiaodong; Qiu Mengtong; Zhang Jianfu; Ouyang Xiaoping; Chen Liang; Liu Jinliang

doi:10.3788/HPLPB20132507.1807

Volume 25 Issue 07

May 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(07): 1807-1811

Lu Jianxin, Lan Xiaofei, Huang Yongsheng, et al. Energy spectra of protons driven by ultra-short laser interaction with thin gold foils[J]. High Power Laser and Particle Beams, 2012, 24: 1879-1881. doi: 10.3788/HPLPB20122408.1879

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Zhang Xiaodong, Qiu Mengtong, Zhang Jianfu, et al. Time response of helium scintillation fission neutron detector[J]. High Power Laser and Particle Beams, 2013, 25: 1807-1811. doi: 10.3788/HPLPB20132507.1807

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Time response of helium scintillation fission neutron detector

doi: 10.3788/HPLPB20132507.1807

1.
Radiation Detection Research Center,Northwest Institute of Nuclear Technology,P.O.Box 69-9,Xi’an 710024,China

Received Date: 2012-08-22
Rev Recd Date: 2013-01-14
Publish Date: 2013-05-02

Abstract

Abstract

A new helium scintillation fission neutron detector was designed to detect the neutrons in the mixed pulse fission radiation field. The time response of the detector was investigated through theoretical and experimental methods. The flying time of the fragments and recoiled helium nucleus in helium scintillator were calculated based on the experimental formulae and method of Monte Carlo. The formula of detectors time response was deduced from the convolution method. The result of the calculating detectors wave indicated that the risetime was about 19.5 ns and FWHM was about 31.0 ns. The time response was measured on the dense plasma focus device(DPF) neutron generator. The theoretical results of time response were consistent with experimental results.
- helium scintillator,
- fragments,
- detector,
- flying time,
- time response

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