Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector
The ability to distinguish between neutrons and gamma-rays is important in the fast - neutron detection, especially when using the scintillation detector. A dual correlation pattern recognition (DCPR) method that was based on the correlation pattern recognition technique has been developed for class...
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Vietnam Atomic Energy Society
2023
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correlation pattern recognition method EJ301 detector pulse shape discrimination (PSD) |
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correlation pattern recognition method EJ301 detector pulse shape discrimination (PSD) Phan, Văn Chuân Nguyễn, Thị Phúc Trần, Ngọc Diệu Quỳnh Trương, Văn Minh Bùi, Thành Trung Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
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The ability to distinguish between neutrons and gamma-rays is important in the fast - neutron detection, especially when using the scintillation detector. A dual correlation pattern recognition (DCPR) method that was based on the correlation pattern recognition technique has been developed for classification of neutron/gamma events from a scintillation detector. In this study, an EJ-301 liquid scintillation (EJ301) detector was used to detect neutrons and gamma-rays from the 60Co and 252Cf sources; the EJ301 detector's pulses were digitized by a digital oscilloscope and its pulse-shape discriminant (PSD) parameters were calculated by the correlation pattern recognition (CPR) method with the reference neutron and gamma-ray pulses. The digital charge integration (DCI) method was also used as a reference-method for comparison with DCPR method. The figure-of-merit (FOM) values which were calculated in the 50 ÷ 1100 keV electron equivalent (keVee) region showed that the DCPR method outperformed the DCI method. The FOMs of 50, 420 and 1000 keVee thresholds of DCPR method are 0.82 , 2.2 and 1.62, which are 1.55, 1.77, and 1.1 times greater than the DCI method, respectively. |
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Journal article |
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Phan, Văn Chuân Nguyễn, Thị Phúc Trần, Ngọc Diệu Quỳnh Trương, Văn Minh Bùi, Thành Trung |
| author_facet |
Phan, Văn Chuân Nguyễn, Thị Phúc Trần, Ngọc Diệu Quỳnh Trương, Văn Minh Bùi, Thành Trung |
| author_sort |
Phan, Văn Chuân |
| title |
Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
| title_short |
Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
| title_full |
Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
| title_fullStr |
Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
| title_full_unstemmed |
Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector |
| title_sort |
application of correlation pattern recognition technique for neutron–gamma discrimination in the ej-301 liquid scintillation detector |
| publisher |
Vietnam Atomic Energy Society |
| publishDate |
2023 |
| url |
https://scholar.dlu.edu.vn/handle/123456789/2546 |
| _version_ |
1778233879688118272 |
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oai:scholar.dlu.edu.vn:123456789-25462023-06-10T12:20:56Z Application of correlation pattern recognition technique for neutron–gamma discrimination in the EJ-301 liquid scintillation detector Phan, Văn Chuân Nguyễn, Thị Phúc Trần, Ngọc Diệu Quỳnh Trương, Văn Minh Bùi, Thành Trung correlation pattern recognition method EJ301 detector pulse shape discrimination (PSD) The ability to distinguish between neutrons and gamma-rays is important in the fast - neutron detection, especially when using the scintillation detector. A dual correlation pattern recognition (DCPR) method that was based on the correlation pattern recognition technique has been developed for classification of neutron/gamma events from a scintillation detector. In this study, an EJ-301 liquid scintillation (EJ301) detector was used to detect neutrons and gamma-rays from the 60Co and 252Cf sources; the EJ301 detector's pulses were digitized by a digital oscilloscope and its pulse-shape discriminant (PSD) parameters were calculated by the correlation pattern recognition (CPR) method with the reference neutron and gamma-ray pulses. The digital charge integration (DCI) method was also used as a reference-method for comparison with DCPR method. The figure-of-merit (FOM) values which were calculated in the 50 ÷ 1100 keV electron equivalent (keVee) region showed that the DCPR method outperformed the DCI method. The FOMs of 50, 420 and 1000 keVee thresholds of DCPR method are 0.82 , 2.2 and 1.62, which are 1.55, 1.77, and 1.1 times greater than the DCI method, respectively. 8 2 19-26 2023-06-10T12:20:50Z 2023-06-10T12:20:50Z 2018-08 Journal article Bài báo đăng trên tạp chí trong nước (có ISSN), bao gồm book chapter https://scholar.dlu.edu.vn/handle/123456789/2546 en Nuclear Science and Technology 1810-5408 [1] S. D. Jastaniah, P. J. Sellin, "Digital pulse-shape algorithms for scintillation-based neutron detectors", IEEE Trans. Nucl. Sci. 49(4), 1824-1828, 2002. [2] <http://eljentechnology.com/products/liquid-scintillators/ej-301-ej-309>. [3] G. F. Knoll, "Radiation Detection and Measurement", John Wiley & Sons, 2010. [4] A.Rahmat, L.R.Edward, F.S.David, "Development of a handheld device for simultaneous monitoring of fast neutrons and gamma rays", IEEE Trans. Nucl. Sci. 49(4),1909-1913, 2002. [5] G. Liu, M. J. Joyce, X. Ma, M. D. Aspinall, "A digital method for the discrimination of neutrons and rays with organic scintillation detectors using frequency gradient analysis", IEEE Trans. Nucl. Sci. 57, 1682 – 1691, 2010. [6] C.S. Sosa, M. Flaska, S. A. Pozzi, "Comparison of analog and digital pulse- shape-discrimination systems", Nucl. Inst. And Meth. A 826, 72-79, 2016. [7] B.Wan, X. Y. Zhang, L. Chen, H. L. Ge, F. Ma, H. B. Zhang, Y. Q. Ju, Y. B. Zhang, Y.Y. Li, X.W. Xu, "Digital pulse shape discrimination methods for n - γ separation in an EJ-301 liquid scintillation detector", Chinese Physics C. Vol. 39, No. 11, 116201,2015. [8] M. Nakhostin. P.M. Walker, "Application of digital zero-crossing technique for neutron–gamma discrimination in liquid organic scintillation detectors", Nucl. Inst. and Meth. A 621, 498501, 2010. [9] R. A. Winyard. J. E. Lutkin and G. W. Mcbeth, "Pulse Shape Discrimination In Inorganic And Organic Scintillators", Nuclear Instruments And Methods 95, I4I--I53, I97I. [10] C. Payne, P.J. 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Iguchi, "New pulse-shape analysis method with multi-shaping amplifers", Nuclear Instruments and Methods in Physics Research A 421, 316-321, 1999. [15] A. Moslem, P. Vaclav, C. Frantisek, M.Zdenek, M. Filip, J. Radioanal, "Quick algorithms for real-time discrimination of neutrons and gamma rays", Nucl. Chem. 303, 583599, 2015. [16] C. Guerrero, D. Cano Ott, M. O. Fernandez, E. R. Gonzalez, T. Martınez, D. Villamarın, "Analysis of the BC501A neutron detector signals using the true pulse shape", Nuclear Instruments and Methods in Physics Research A 597, 212–218, 2008. [17] M. L. Roush, M. A. Wilson, and W. F. Hornyak, "Pulse shape discrimination", Nucl. Inst. And Meth. A 31, 112-124, 1964. [18] M. J. Safari, F. D. Abbasi, H. Afarideh, S. Jamili, E. Bayat, "Discrete Fourier Transform Method for Discrimination of Digital Scintillation Pulses in Mixed Neutron-Gamma Fields", IEEE Trans. Nucl. Sci. 63(1), 325- 332, 2016. Vietnam Atomic Energy Society Vietnam Atomic Energy Society |