Digital pulse shape discrimination methods for n-γ separation in an EJ-301 liquid scintillation detector

WAN Bo; ZHANG Xue-Ying; CHEN Liang; GE Hong-Lin; MA Fei; ZHANG Hong-Bin; JU Yong-Qin; ZHANG Yan-Bin; LI Yan-Yan; XU Xiao-Wei

doi:10.1088/1674-1137/39/11/116201

Chinese Physics C> 2015, Vol. 39> Issue(11) : 116201 DOI: 10.1088/1674-1137/39/11/116201

Digital pulse shape discrimination methods for n-γ separation in an EJ-301 liquid scintillation detector

WAN Bo ^1,2 ,
ZHANG Xue-Ying ^1,, ,
CHEN Liang ¹ ,
GE Hong-Lin ¹ ,
MA Fei ¹ ,
ZHANG Hong-Bin ¹ ,
JU Yong-Qin ¹ ,
ZHANG Yan-Bin ¹ ,
LI Yan-Yan ^1,2 ,
XU Xiao-Wei ^1,2

Abstract
HTML
Reference
Related

PDF

Abstract：
A digital pulse shape discrimination system based on a programmable module NI-5772 has been established and tested with an EJ-301 liquid scintillation detector. The module was operated by running programs developed in LabVIEW, with a sampling frequency up to 1.6 GS/s. Standard gamma sources ²²Na, ¹³⁷Cs and ⁶⁰Co were used to calibrate the EJ-301 liquid scintillation detector, and the gamma response function was obtained. Digital algorithms for the charge comparison method and zero-crossing method have been developed. The experimental results show that both digital signal processing (DSP) algorithms can discriminate neutrons from γ-rays. Moreover, the zero-crossing method shows better n-γ discrimination at 80 keVee and lower, whereas the charge comparison method gives better results at higher thresholds. In addition, the figure-of-merit (FOM) for detectors of two different dimensions were extracted at 9 energy thresholds, and it was found that the smaller detector presented better n-γ separation for fission neutrons.
- EJ-301 liquid scintillation detector ,
- digital signal processing ,
- charge comparison method ,
- zero-crossing method

References

[1]	Bowman C D, Arthur E D, Lisowski P W et al. Nucl. Instrum. Methods Phys. Res. A, 1992, 320}: 336-367
[2]	ZHAN W L, XU H S. Bulletin of Chinese Academy of Sciences, 2012, 03: 375-381 (in Chinese)
[3]	Krivopustov M I, Chultem D, Adam J et al. Kerntechnik, 2003, 68}: 48
[4]	CHEN Y H, LEI J R, ZHANG X D et al. Chinese Physics C, 2013, 37}(4): 046202-1
[5]	Pai S et al. Nucl. Instrum. Methods A, 1989, 278}: 749
[6]	Kaschuck Y, Esposito B. Nucl. Instrum. Methods A, 2005, 551}: 420
[7]	Wolski D, Moszynski M, Ludziejewski T et al. Nucl. Instrum. Methods A, 1995, 360: 584
[8]	M. Nakhostin, P. M. Walker. Nucl. Instrum. Methods A, 2010, 621}: 498-501
[9]	R. Aryaeinejad, Edward Reber, and Dave Spencer. IEEE Trans. Nucl. Sci, 2002, 49}(4): 1909-1913
[10]	Dietze G. IEEE Trans. Nucl. Sci, 1979, NS-26: 398-402
[11]	Dietze G, Klein H. Nucl. Instrum. Methods A, 1982, 193}: 549
[12]	ZHANG S Y L T, CHEN Z Q et al. Chinese Physics C, 2013, 37}(12): 126003
[13]	HUANG H X, RUAN X C et al. Chinese Physics C, 2009, 33}(8): 677-681

[1]	Guo-Qiang Zeng , Jian Yang , Ming-Fu Yu , Kai-Qi Zhang , Qing Ge , Liang-Quan Ge . Digital pulse deconvolution method for current tails of NaI(Tl) detectors. Chinese Physics C, 2017, 41(1): 016102. doi: 10.1088/1674-1137/41/1/016102
[2]	Han Yi , Li-Ming Lü , Zhao Zhang , Wen-Jing Cheng , Wei Ji , Yan Huang , Yan Zhang , Hong-Jie Li , Yin-Ping Cui , Ming Lin , Yi-Jie Wang , Li-Min Duan , Rong-Jiang Hu , Zhi-Gang Xiao . A Flash-ADC data acquisition system developed for a drift chamber array and a digital filter algorithm for signal processing. Chinese Physics C, 2016, 40(11): 116102. doi: 10.1088/1674-1137/40/11/116102
[3]	Lei Zhao , Lin-Song Zhan , Xing-Shun Gao , Shu-Bin Liu , Qi An . Application of real-time digitization techniques in beam measurement for accelerators. Chinese Physics C, 2016, 40(4): 046102. doi: 10.1088/1674-1137/40/4/046102
[4]	YANG Yun , LIU Guo-Fu , YANG Jun , LUO Xiao-Liang , MENG De-Yuan . Digital discrimination of neutron and γ ray using an organic scintillation detector based on wavelet transform modulus maximum. Chinese Physics C, 2014, 38(3): 036202. doi: 10.1088/1674-1137/38/3/036202
[5]	HAN Ran . Induced charge signal of a glass RPC detector. Chinese Physics C, 2014, 38(4): 046002. doi: 10.1088/1674-1137/38/4/046002
[6]	CHEN Yong-Hao , CHEN Xi-Meng , ZHANG Xiao-Dong , LEI Jia-Rong , AN Li , SHAO Jian-Xiong , ZHENG Pu , WANG Xin-Hua , ZHU Chuan-Xin , HE Tie , YANG Jian . Study of n-γ discrimination in low energy range (above 40 keVee) by charge comparison method with a BC501A liquid scintillation detector. Chinese Physics C, 2014, 38(3): 036001. doi: 10.1088/1674-1137/38/3/036001
[7]	XING Hao-Yang , WANG Li , ZHU Jing-Jun , TANG Chang-Jian , YUE Qian . Simulation of large-scale fast neutron liquid scintillation detector. Chinese Physics C, 2013, 37(2): 026003. doi: 10.1088/1674-1137/37/2/026003
[8]	YANG Yong-Liang , MA Tian-Ji , SUN Bao-Gen , WANG Ji-Gang , ZOU Jun-Ying , CHENG Chao-Cai , LU Ping . A study of pickup and signal processing for HLS-Ⅱ bunch current measurement system. Chinese Physics C, 2013, 37(9): 097006. doi: 10.1088/1674-1137/37/9/097006
[9]	ZHANG Su-Ya-La-Tu , CHEN Zhi-Qiang , HAN Rui , LIU Xing-Quan , LIN Wei-Ping , JIN Zeng-Xue , XI Yin-Yin , LIU Jian-Li , SHI Fu-Dong . Study on gamma response function of EJ301 organic liquid scintillator with GEANT4 and FLUKA. Chinese Physics C, 2013, 37(12): 126003. doi: 10.1088/1674-1137/37/12/126003
[10]	ZHAO Ya-Liang , FU Shi-Nian , LI Zhi-Hui , XU Cheng-Hai , YANG Xiao-Yu . 3D space charge code with the FFT method. Chinese Physics C, 2013, 37(3): 037004. doi: 10.1088/1674-1137/37/3/037004
[11]	CHEN Yong-Hao , LEI Jia-Rong , ZHANG Xiao-Dong , AN Li , ZHENG Pu , WANG Xin-Hua , ZHU Chuan-Xin , HE Tie . Study of n-γ discrimination for 0.4-1 MeV neutrons using the zero-crossing method with a BC501A liquid scintillation detector. Chinese Physics C, 2013, 37(4): 046202. doi: 10.1088/1674-1137/37/4/046202
[12]	YANG Min , CHEN Hao , MENG Fan-Yong , WEI Dong-Bo . Novel correction method for X-ray beam energy fluctuation of high energy DR system with a linear detector. Chinese Physics C, 2011, 35(11): 1074-1078. doi: 10.1088/1674-1137/35/11/018
[13]	TIAN Kai , CAO Zhou , XUE Yu-Xiong , YANG Shi-Yu . Comparison study of the charge density distribution induced by heavy ions and pulsed lasers in silicon. Chinese Physics C, 2010, 34(1): 148-151. doi: 10.1088/1674-1137/34/1/028
[14]	DAI Qiu-Sheng , ZHAO Cui-Lan , ZHANG Hua-Lin , QI Yu-Jin . Investigation of high resolution compact gamma camera module based on a continuous scintillation crystal using a novel charge division readout method. Chinese Physics C, 2010, 34(8): 1148-1152. doi: 10.1088/1674-1137/34/8/021
[15]	ZENG Zhuo-Quan , SHEN Peng-Nian , DING Yi-Bing . An improved variational method. Chinese Physics C, 2009, 33(3): 191-196. doi: 10.1088/1674-1137/33/3/006
[16]	ZHAO Xiao-Song , LV Jian-Qin . Comparison of the PIC model and the Lie algebraic method in the simulation of intense continuous beam transport. Chinese Physics C, 2009, 33(S2): 125-127. doi: 10.1088/1674-1137/33/S2/032
[17]	YOU Zheng-Yun , LIANG Yu-Tie , MAO Ya-Jun . A method for detector description exchange among ROOT GEANT4 and GEANT3. Chinese Physics C, 2008, 32(7): 572-575. doi: 10.1088/1674-1137/32/7/012
[18]	Chen Yu , Wang Zijing , Mao Zepu , Deng Bingkun , Li Shichang , Li Jin , Li Haibo , Zhang Zhongyun , Hu Tao , Xia Xiaomi , Cao Guilu , Lai Yuanfen . Charge Comparison Method Used to Discriminate Photons and Neutrons in Liquid Scintillators. Chinese Physics C, 1999, 23(7): 616-621.
[19]	Wang Jinchuan , Zhan Wenlong , Guo Zhongyan , Zhou Jianqun , Xi Hongfei , Luo Yongfeng , Zhao Youxiong , Lei Huaihong , Liu Guanhua . Experimental Simulation and Theoretical Analysis of the Zero-Crossing Timing Method. Chinese Physics C, 1995, 19(6): 489-493.
[20]	Zhang Tianbao , Wang Shuying , Wang Haidong , Shen Zhiqi , Meng Bonian . Precise Measurement of Gamma Ray Energies with HPGe Spectrometer by Slithering Comparison Method. Chinese Physics C, 1993, 17(S1): 25-31.

Access

Get Citation

WAN Bo, ZHANG Xue-Ying, CHEN Liang, GE Hong-Lin, MA Fei, ZHANG Hong-Bin, JU Yong-Qin, ZHANG Yan-Bin, LI Yan-Yan and XU Xiao-Wei. Digital pulse shape discrimination methods for n-γ separation in an EJ-301 liquid scintillation detector[J]. Chinese Physics C, 2015, 39(11): 116201. doi: 10.1088/1674-1137/39/11/116201

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2015-02-06

Fund

Supported by National Natural Science Foundation of China (91226107, 11305229) and the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA03030300)

Article Metric

Article Views(1570)
PDF Downloads(54)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Digital pulse shape discrimination methods for n-γ separation in an EJ-301 liquid scintillation detector

Corresponding author: ZHANG Xue-Ying,

Received Date: 2015-02-06

Available Online: 2015-11-20

Fund Project: Supported by National Natural Science Foundation of China (91226107, 11305229) and the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA03030300)

Abstract: A digital pulse shape discrimination system based on a programmable module NI-5772 has been established and tested with an EJ-301 liquid scintillation detector. The module was operated by running programs developed in LabVIEW, with a sampling frequency up to 1.6 GS/s. Standard gamma sources ²²Na, ¹³⁷Cs and ⁶⁰Co were used to calibrate the EJ-301 liquid scintillation detector, and the gamma response function was obtained. Digital algorithms for the charge comparison method and zero-crossing method have been developed. The experimental results show that both digital signal processing (DSP) algorithms can discriminate neutrons from γ-rays. Moreover, the zero-crossing method shows better n-γ discrimination at 80 keVee and lower, whereas the charge comparison method gives better results at higher thresholds. In addition, the figure-of-merit (FOM) for detectors of two different dimensions were extracted at 9 energy thresholds, and it was found that the smaller detector presented better n-γ separation for fission neutrons.

HTML

Reference (13)

Digital pulse shape discrimination methods for n-γ separation in an EJ-301 liquid scintillation detector

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article