A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid

This article presents a composite (COM) method to obtain the high-resolution pulse shape discrimination (PSD) for the neutron and gamma-ray pulses generated from scintillation detectors. The method, which is based on a selective combination of the digital charge integration (DCI) with the reference...

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Những tác giả chính:	Phan, Văn Chuân, Nguyễn, Xuân Hải, Nguyễn, Ngọc Anh, Phạm, Đình Khang, Nguyễn, Quang Hưng, Trương, Văn Minh, Nguyễn, Duy Lý
Định dạng:	Journal article
Ngôn ngữ:	English
Được phát hành:	IEEE 2023
Những chủ đề:	gamma-ray detection liquid scintillation detectors neural nets neutron detection pulse shaping solid scintillation detectors
Truy cập trực tuyến:	https://scholar.dlu.edu.vn/handle/123456789/2448
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id	oai:scholar.dlu.edu.vn:123456789-2448
record_format	dspace
institution	Thư viện Trường Đại học Đà Lạt
collection	Thư viện số
language	English
topic	gamma-ray detection liquid scintillation detectors neural nets neutron detection pulse shaping solid scintillation detectors
spellingShingle	gamma-ray detection liquid scintillation detectors neural nets neutron detection pulse shaping solid scintillation detectors Phan, Văn Chuân Nguyễn, Xuân Hải Nguyễn, Ngọc Anh Phạm, Đình Khang Nguyễn, Quang Hưng Trương, Văn Minh Nguyễn, Duy Lý A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
description	This article presents a composite (COM) method to obtain the high-resolution pulse shape discrimination (PSD) for the neutron and gamma-ray pulses generated from scintillation detectors. The method, which is based on a selective combination of the digital charge integration (DCI) with the reference pulse method, aims to reduce the mixed radiation events in the low-energy range. An EJ-301 liquid scintillation detector together with a fast sampling analog-to-digital converter (ADC) is used to measure and digitize the pulses induced from the radioactive decays of 60 Co and 252 Cf, which are then analyzed by our COM method. The proposed method is evaluated using the figure of merit (FoM) and separation quality function F(u), and the results are compared with three known methods, namely the DCI, standard event fit (SEF), and artificial neural network (ANN) methods. We show that the average values of FoM and F(u) obtained within the COM method are about ten times higher than those obtained within the DCI and SEF in the whole energy range from 50 to 1000 keV electron equivalent (keVee). In particular, by using the COM method, the percentage of gamma events being confused as neutrons ranges from 0.32% to 8.80% when the energy is reduced from 400 to 50 keVee. This finding, which is significantly lower than those obtained by using the DCI and SEF, indicates that the proposed COM method should be considered as a leading method for producing a neutron/gamma PSD counter system with high resolution.
format	Journal article
author	Phan, Văn Chuân Nguyễn, Xuân Hải Nguyễn, Ngọc Anh Phạm, Đình Khang Nguyễn, Quang Hưng Trương, Văn Minh Nguyễn, Duy Lý
author_facet	Phan, Văn Chuân Nguyễn, Xuân Hải Nguyễn, Ngọc Anh Phạm, Đình Khang Nguyễn, Quang Hưng Trương, Văn Minh Nguyễn, Duy Lý
author_sort	Phan, Văn Chuân
title	A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
title_short	A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
title_full	A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
title_fullStr	A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
title_full_unstemmed	A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid
title_sort	composite method for improving the pulse shape discrimination efficiency of a scintillation detector using ej-301 liquid
publisher	IEEE
publishDate	2023
url	https://scholar.dlu.edu.vn/handle/123456789/2448
_version_	1778233861779488768
spelling	oai:scholar.dlu.edu.vn:123456789-24482023-06-10T14:35:37Z A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid Phan, Văn Chuân Nguyễn, Xuân Hải Nguyễn, Ngọc Anh Phạm, Đình Khang Nguyễn, Quang Hưng Trương, Văn Minh Nguyễn, Duy Lý gamma-ray detection liquid scintillation detectors neural nets neutron detection pulse shaping solid scintillation detectors This article presents a composite (COM) method to obtain the high-resolution pulse shape discrimination (PSD) for the neutron and gamma-ray pulses generated from scintillation detectors. The method, which is based on a selective combination of the digital charge integration (DCI) with the reference pulse method, aims to reduce the mixed radiation events in the low-energy range. An EJ-301 liquid scintillation detector together with a fast sampling analog-to-digital converter (ADC) is used to measure and digitize the pulses induced from the radioactive decays of 60 Co and 252 Cf, which are then analyzed by our COM method. The proposed method is evaluated using the figure of merit (FoM) and separation quality function F(u), and the results are compared with three known methods, namely the DCI, standard event fit (SEF), and artificial neural network (ANN) methods. We show that the average values of FoM and F(u) obtained within the COM method are about ten times higher than those obtained within the DCI and SEF in the whole energy range from 50 to 1000 keV electron equivalent (keVee). In particular, by using the COM method, the percentage of gamma events being confused as neutrons ranges from 0.32% to 8.80% when the energy is reduced from 400 to 50 keVee. This finding, which is significantly lower than those obtained by using the DCI and SEF, indicates that the proposed COM method should be considered as a leading method for producing a neutron/gamma PSD counter system with high resolution. 70 2023-06-08T12:54:44Z 2023-06-08T12:54:44Z 2021-03-11 Journal article Bài báo đăng trên tạp chí thuộc ISI, bao gồm book chapter https://scholar.dlu.edu.vn/handle/123456789/2448 10.1109/TIM.2021.3060600 en Investigation on neutron/gamma discrimination algorithms for neutron detector systems using EJ-301 liquid scintillator IEEE Transactions on Instrumentation and Measurement 1557-9662 6831/Nafosted [1] S. D. Jastaniah and P. J. Sellin, “Digital pulse-shape algorithms for scintillation-based neutron detectors,” IEEE Trans. Nucl. Sci., vol. 49, no. 4, pp. 1824–1828, Aug. 2002, doi: 10.1109/TNS.2002.801674. [2] R. F. Lang, D. Masson, J. Pienaar, and S. Röttger, “Improved pulse shape discrimination in EJ-301 liquid scintillators,” Nucl. Instrum. 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A Composite Method for Improving the Pulse Shape Discrimination Efficiency of a Scintillation Detector Using EJ-301 Liquid

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