Properties and Application Studies of LaBr3(Ce) Scintillation Detector
ZHANG Hai-wei1,2, WANG Lei1,2*, LENG Feng-qing1,2*, TUO Xian-guo3, LIU Ming-zhe1,2, CHENG Yi2, YAO Fu-liang2, LI San-gang2, ZHAO Bai-jun2, LU Wei2
1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology), Chengdu 610059, China
2. College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059
3. Sichuan University of Science & Engineering, Zigong 643000, China
Abstract：The LaBr3(Ce) detector is a new type of scintillator detector which offers better energy resolution and higher efficiency for high-energy gamma ray in comparison with traditional detectors, for instance, NaI(Tl) detector. The LaBr3(Ce) detector has merits of a high scintillation light output with a fast decay time, a high temporal and spatial resolution, good temperature characteristics and good radiation resistance. So it was researched and applied widely since it was commercially available years ago. This paper reports not only its above-mentioned properties but also its typical application studies. In the nuclear resonance fluorescence, the detector benefitted the nondestructive assay (NDA) method by shortening the detecting time while the energy resolution was still excellent. In the prompt gamma neutron activation analysis, the advantages of it were shown by comparing with the BGO detector. In the nuclear medicine imaging, the detection with the LaBr3(Ce) detector in the myocardial perfusion in mice with sufficiently precision. It had a better ability to distinguish between tumors and normal tissues than NaI(Tl) detector. In the space radiation detection, the detector was used to detect the rays with high energy, and it shows excellent radiation resistance. In neutron detection, it has competitive properties in low neutron energy measurement. After investigating the applications of the detector, we confirm the excellence of this detector and affirm it has a good prospect in the further.
基金资助: the major scientific instruments and equipment development project of the Ministry of Science and Technology, China(2012YQ18011805)；the science and technology project from the technology bureau of Chengdu (2014HM0100099SF)；the project of science and technology innovation team of Sichuan province (2015TD0020)
作者简介: ZHANG Hai-wei, (1974—), female, lecturer, College of Nuclear Technology and Automation Engineering, Chengdu University of Technology e-mail:
273048544@qq.com
引用本文:
张海薇，王 磊，冷逢庆，庹先国，刘明哲，成 毅，姚付良，李三刚，赵柏俊，卢 位. 溴化镧闪烁体探测器性能及应用研究[J]. 光谱学与光谱分析, 2017, 37(07): 2298-2304.
ZHANG Hai-wei, WANG Lei, LENG Feng-qing, TUO Xian-guo, LIU Ming-zhe, CHENG Yi, YAO Fu-liang, LI San-gang, ZHAO Bai-jun, LU Wei. Properties and Application Studies of LaBr3(Ce) Scintillation Detector. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2017, 37(07): 2298-2304.
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