Study of a position-sensitive scintillator neutron detector

TANG Bin; SUN Zhi-Jia; ZHANG Qiang; YANG Zhen; XU Hong; YANG Gui-An; WANG Yan-Feng; WU Chong; CHEN Yuan-Bo; YANG Lei

doi:10.1088/1674-1137/36/11/009

Chinese Physics C> 2012, Vol. 36> Issue(11) : 1089-1094 DOI: 10.1088/1674-1137/36/11/009

Study of a position-sensitive scintillator neutron detector

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Abstract：
The investigation of a novel thermal neutron detector is developed to fulfill the requirements of the high intensity power diffractometer (HIPD) at the Chinese Spallation Neutron Source (CSNS). It consists of two layers of ⁶LiF/ZnS(Ag) scintillators, two layers of crossed WLSF arrays, several multi-anode photo multiplier tubes (MA-PMT), and the matching readout electronics. The neutron detection efficiency of the scintilltors, the light transportation ability of the WLSF, and the spatial linearity of the readout electronics are measured and discussed in this paper. It shows that the sandwich structure and the compact readout electronics could fulfill the needs of the HIPD. A prototype with a 10 cm×10 cm sensitive area has been constructed to further study the characteristics of the neutron scintillator detector.
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TANG Bin, SUN Zhi-Jia, ZHANG Qiang, YANG Zhen, XU Hong, YANG Gui-An, WANG Yan-Feng, WU Chong, CHEN Yuan-Bo and YANG Lei. Study of a position-sensitive scintillator neutron detector[J]. Chinese Physics C, 2012, 36(11): 1089-1094. doi: 10.1088/1674-1137/36/11/009

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Received: 2012-02-07
Revised: 2012-05-10

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of a position-sensitive scintillator neutron detector

Corresponding author: TANG Bin,

Corresponding author: SUN Zhi-Jia,

Received Date: 2012-02-07
Accepted Date: 2012-05-10
Available Online: 2012-11-05

Abstract: The investigation of a novel thermal neutron detector is developed to fulfill the requirements of the high intensity power diffractometer (HIPD) at the Chinese Spallation Neutron Source (CSNS). It consists of two layers of ⁶LiF/ZnS(Ag) scintillators, two layers of crossed WLSF arrays, several multi-anode photo multiplier tubes (MA-PMT), and the matching readout electronics. The neutron detection efficiency of the scintilltors, the light transportation ability of the WLSF, and the spatial linearity of the readout electronics are measured and discussed in this paper. It shows that the sandwich structure and the compact readout electronics could fulfill the needs of the HIPD. A prototype with a 10 cm×10 cm sensitive area has been constructed to further study the characteristics of the neutron scintillator detector.