<p>A comparison of small-batch clustering and charge-comparison methods for n/? discrimination using a liquid scintillation detector</p>

doi:10.1016/j.nima.2022.166379

HFCAS OpenIR

	A comparison of small-batch clustering and charge-comparison methods for n/? discrimination using a liquid scintillation detector
	Wang, Feipeng1,2 ; Yang, Minghan1 ; Wang, Jianye1 ; Shen, Shuifa 1,3,4; Hong, Bing 1
	2022-04-01
发表期刊	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN	0168-9002
通讯作者	Yang, Minghan(minghan.yang@inest.cas.cn)
摘要	In this study, a novel neutron and gamma-ray (n/gamma) discrimination method based on a small-batch clustering algorithm has been developed to improve the discrimination performance of an EJ-301 liquid scintillator detector. The Principal Component Analysis (PCA) of the particle waveform shows that the main feature distribution of the original signal presents an approximate ellipse, which prompts us to adopt a clustering algorithm based on Gaussian Mixture Model (GMM). The classification ability of the small-batch clustering for discriminating n/gamma pulse waveforms is verified by a mixed radiation field from a( 252)Cf isotope source, and then compared with the discrimination results of the charge comparison (CC) method. The results show that the proposed method based on the small-batch clustering provide a higher Figure of Merit (FoM) for n/gamma discrimination compared to the CC method, in which FoM increases from 1.26, 1.30, 1.39, and 1.45 for the CC method to 1.35, 1.48, 1.52 and 1.68 respectively for the proposed method during the energy intervals 400-600 keV, 600-800 keV, 800-1000 keV, and > 1000 keV for the mixed field of Cf-252. The results infer that the small-batch clustering method can be used as reference for pulse shape discrimination in neutron detection.
关键词	n/gamma discrimination Liquid scintillator Small-batch clustering Charge comparison method
DOI	10.1016/j.nima.2022.166379
关键词[WOS]	PULSE-SHAPE DISCRIMINATION ; DIGITAL DISCRIMINATION ; GAMMA-RAYS ; NEUTRONS
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of Hefei City, China[2021003] ; CASHIPS Director's Fund[YZJJ2021QN34]
项目资助者	Natural Science Foundation of Hefei City, China ; CASHIPS Director's Fund
WOS研究方向	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
WOS类目	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Nuclear ; Physics, Particles & Fields
WOS记录号	WOS:000781655600006
出版者	ELSEVIER
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/128458
专题	中国科学院合肥物质科学研究院
通讯作者	Yang, Minghan
作者单位	1.Chinese Acad Sci, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 3.Fujian Univ Technol, Sch Elect Elect Engn & Phys, Fuzhou 350118, Fujian, Peoples R China 4.Zhejiang Guangsha Vocat & Tech Univ Construct, Sch Intelligent Mfg, Jinhua 322100, Zhejiang, Peoples R China
推荐引用方式 GB/T 7714	Wang, Feipeng,Yang, Minghan,Wang, Jianye,et al. A comparison of small-batch clustering and charge-comparison methods for n/? discrimination using a liquid scintillation detector [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2022,1028.
APA	Wang, Feipeng,Yang, Minghan,Wang, Jianye,Shen, Shuifa,&Hong, Bing.(2022). A comparison of small-batch clustering and charge-comparison methods for n/? discrimination using a liquid scintillation detector .NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,1028.
MLA	Wang, Feipeng,et al." A comparison of small-batch clustering and charge-comparison methods for n/? discrimination using a liquid scintillation detector ".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 1028(2022).