Real-time α/γ pulse shape discrimination in CsI(Tl) scintillators

Li Kui-Nian; Li Bin-Kang; Zhang Mei; Li Yang

doi:10.7498/aps.63.202901

Abstract

A real-time α/γ pulse shape discriminator based on CsI(Tl) scintillators is developed. The charge comparison method is adopted as an inserted algorithm. In this paper, the design scheme of the system is introduced and the real-time system is tested with a 60Co-γ source and a 241Am-α source. The influence of parameter setting on the discrimination result is investigated and the best parameter setting is provided. The results show that the designed real-time system has a small size. The best figure of merits is above 1.4. The system can discriminate α/γ events exactly and its counting rate of events can achieve 3×105 per second.

Keywords:

Authors and contacts

1.
Northwest Institute of Nuclear Technology, Xi'an 710024, China
Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11105106).

References

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[16]	Chen G Y, Xin Y, Huang F C, Wei Z Y, Lei S J, Huang S B, Zhu L, Zhao J W, Ma J Y 2012 Acta Phys. Sin. 61 082901 (in Chinese) [陈国云, 辛勇, 黄福成, 魏志勇, 雷升杰, 黄三玻, 朱立, 赵经武, 马加一 2012 61 082901]
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Cited By

[1]	Roush M L, Wilson M A, Hornyak W F 1964 Nucl. Instrum. Methods Phys. Res. Sect. A 31 112
[2]	Mellow B D, Aspinall M D, Mackin R O, Joyce M J, Peyton A J 2007 Nucl. Instrum. Methods Phys. Res. Sect. A 578 191
[3]	Yousefi S, Lucchese L, Aspinall M D 2009 Nucl. Nucl. Instrum. Methods Phys. Res. Sect. A 598 551
[4]	Liu Q, Fang J Q, Zhao G, Li Y 2012 Acta Phys. Sin. 61 130508 (in Chinese) [刘强, 方锦清, 赵耿, 李永 2012 61 130508]
[5]	Esposito B, Riva M, Marocco D, Kaschuck Y 2007 Nucl. Instrum. Methods Phys. Res. Sect. A 572 355
[6]	Riva M, Esposito B, Marocco D, Belli F 2009 23rd IEEE/NPSS Symposium on Fusion Engineering San Diego, UAS, June 1-5, 2009 p1
[7]	Kim H J, Kim E J, Kim S Y 2008 Nuclear Science Symposium Conference Record Dresden, Germany, October 19-25, 2008 p2917
[8]	Joyce M J, Aspinall M D, Cave F D, Lavietes A D 2011 Advancements in Nuclear Instrumentation Measurement Methods and Their Applications (ANIMMA), June 6-9, 2011 p1
[9]	Lee P S, Lee C S, Lee J H 2013 Radiat. Measur. 48 12
[10]	Li W B, Qiao W M, Jing L, Lin F Y, Jiao X X 2011 Nucl. Elec. Tron. Dect. Tech. 30 1450 (in Chinese) [李伟斌, 乔卫民, 敬岚, 林飞宇, 焦喜香 2011 核电子学与探测技术 30 1450]
[11]	Pu C Y, Liu T Y, Liu C J, Bai X M, Li C P, She H 2010 Acta Phys. Sin. 59 453 (in Chinese) [濮春英, 刘廷禹, 刘长捷, 白晓明, 李春萍, 佘辉 2010 59 453]
[12]	Xiong D L, Wang M S, Yang C L, Tong X F, Ma N 2010 Chin. Phys. B 19 103303
[13]	Yuan Y G, Lei J R, Bai L X 2010 Atom. Energy Sci. Technol. 44 735 (in Chinese) [袁永刚, 雷家荣, 白立新 2010 原子能科学技术 44 735]
[14]	Zhu Y F, Lin S T, Deniz M, Liao H Y, Li H B, Li Y L, Wong H T 2005 Nucl. Instrum. Methods Phys. Res. Sect. A 557 490
[15]	Dangtip S, Atac A, Bergenwall B, Blomgren J, Elmgren K, Johansson C, Lebrun C 2000 Nucl. Instrum. Methods Phys. Res. Sect. A 452 484
[16]	Chen G Y, Xin Y, Huang F C, Wei Z Y, Lei S J, Huang S B, Zhu L, Zhao J W, Ma J Y 2012 Acta Phys. Sin. 61 082901 (in Chinese) [陈国云, 辛勇, 黄福成, 魏志勇, 雷升杰, 黄三玻, 朱立, 赵经武, 马加一 2012 61 082901]
[17]	Liu Y T, Chen D F 2013 Physics 42 534 (in Chinese) [刘蕴韬, 陈东风 2013 物理 42 534]
[18]	Bao W 2013 Chin. Phys. B 22 087405
[19]	Schiffer R T, Flaska M, Pozzi S A, Carney S, Wentzloff D D 2011 Nucl. Instrum. Methods Phys. Res. Sect. A 652 491

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Vol. 63, Issue 20 - 2014-10-20

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