双端输出塑料闪烁体探测器的符合关联测试

doi:10.11889/j.0253-3219.2017.hjs.40.010403

Nuclear Techniques ›› 2017, Vol. 40 ›› Issue (1): 10403-010403.doi: 10.11889/j.0253-3219.2017.hjs.40.010403

• NUCLEAR ELECTRONICS AND INSTRUMENTATION • Previous Articles Next Articles

The coincidence test of the double-end output plastic scintillation detector

PI Bensong¹, WEI Zhiyong¹, WANG Zhen¹, TAN Xiaoming², ZHU Qingwei¹, YU Junhao¹

1 Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2 Lanzhou University of Technology, Lanzhou 730000, China

Received:2016-09-05 Revised:2016-12-12 Online:2017-01-10 Published:2017-01-11
Supported by:
Supported by Research of Fast Neutron Position Sensitive Detector and Data Acquisition Technology Based on GEM (No.11575073)

Abstract

Abstract:

Background: The detector probe is composed of double-end output plastic scintillation detector and silicon photomultiplier (SiPM), and it's part of the detector system with back end electronics system such as digitizer. Purpose: To study the optimization of the detection efficiency of real events and energy resolution with different data processing methods, the standard γ source ⁶⁰Co and ¹³⁷Cs are used to test the plastic scintillation detector system. Methods: The effect of the coincidence time of the associated event on detection efficiency is discussed, and the improvement of energy resolution from the integral length and the pulse shape discrimination(PSD) window is analyzed. Results: and Conclusion: The results show that the real event detection efficiency is the best when the coincidence time of the related event is 15 ns, and the energy resolution is optimized from 53.38% to 42.21% under the PSD window when the integral length is 80 ns.

Key words: Plastic scintillation, Coincidence time window, Detection efficiency of real event, PSD window, Energy resolution

CLC Number:

TL812⁺.1

PI Bensong, WEI Zhiyong, WANG Zhen, TAN Xiaoming, ZHU Qingwei, YU Junhao. The coincidence test of the double-end output plastic scintillation detector[J].Nuclear Techniques, 2017, 40(1): 10403-010403.

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The coincidence test of the double-end output plastic scintillation detector

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