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A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators

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A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators. / Yousefi, S.; Lucchese, L.; Aspinall, M.D.

IEEE Nuclear Science Symposium Conference Record. IEEE, 2008. p. 2387-2391.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

Harvard

Yousefi, S, Lucchese, L & Aspinall, MD 2008, A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators. in IEEE Nuclear Science Symposium Conference Record. IEEE, pp. 2387-2391. https://doi.org/10.1109/NSSMIC.2008.4774836

APA

Yousefi, S., Lucchese, L., & Aspinall, M. D. (2008). A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators. In IEEE Nuclear Science Symposium Conference Record (pp. 2387-2391). IEEE. https://doi.org/10.1109/NSSMIC.2008.4774836

Vancouver

Yousefi S, Lucchese L, Aspinall MD. A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators. In IEEE Nuclear Science Symposium Conference Record. IEEE. 2008. p. 2387-2391 https://doi.org/10.1109/NSSMIC.2008.4774836

Author

Yousefi, S. ; Lucchese, L. ; Aspinall, M.D. / A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators. IEEE Nuclear Science Symposium Conference Record. IEEE, 2008. pp. 2387-2391

Bibtex

@inproceedings{2ddb148a58e74bb89815bbf36aaa8dc4,
title = "A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators",
abstract = "A novel algorithm for the digital discrimination of neutrons and gamma-rays in a mixed radiation field is presented. Most of the pulse shape discrimination methods in scintillation detection systems use time-domain features of the signal (e. g. charge comparison method or constant-time discrimination). However, there are no frequency-domain discrimination methods up to date in the literature. Our method employs the wavelet transform to extract frequency-domain features for discrimination. Compared to the pulse gradient analysis (PGA) algorithm, it provides an improvement in reducing the overlap area between neutron and gamma events and also in increasing the Figure of Merit (FoM). Another advantage of this method consists in the removal of the dependency of the discrimination method on timing features. Since the light output in the scintillation process is very noisy, this kind of dependency may degrade the performance of the algorithm.",
keywords = "Neutrons, Frequency domain analysis, Pulse shaping methods, Shape, Solid scintillation detectors, Time domain analysis, Wavelet transforms, Feature extraction, Algorithm design and analysis, Electronics packaging",
author = "S. Yousefi and L. Lucchese and M.D. Aspinall",
year = "2008",
doi = "10.1109/NSSMIC.2008.4774836",
language = "English",
isbn = "9781424427147",
pages = "2387--2391",
booktitle = "IEEE Nuclear Science Symposium Conference Record",
publisher = "IEEE",

}

RIS

TY - GEN

T1 - A novel wavelet-based method for neutron/gamma discrimination in liquid scintillators

AU - Yousefi, S.

AU - Lucchese, L.

AU - Aspinall, M.D.

PY - 2008

Y1 - 2008

N2 - A novel algorithm for the digital discrimination of neutrons and gamma-rays in a mixed radiation field is presented. Most of the pulse shape discrimination methods in scintillation detection systems use time-domain features of the signal (e. g. charge comparison method or constant-time discrimination). However, there are no frequency-domain discrimination methods up to date in the literature. Our method employs the wavelet transform to extract frequency-domain features for discrimination. Compared to the pulse gradient analysis (PGA) algorithm, it provides an improvement in reducing the overlap area between neutron and gamma events and also in increasing the Figure of Merit (FoM). Another advantage of this method consists in the removal of the dependency of the discrimination method on timing features. Since the light output in the scintillation process is very noisy, this kind of dependency may degrade the performance of the algorithm.

AB - A novel algorithm for the digital discrimination of neutrons and gamma-rays in a mixed radiation field is presented. Most of the pulse shape discrimination methods in scintillation detection systems use time-domain features of the signal (e. g. charge comparison method or constant-time discrimination). However, there are no frequency-domain discrimination methods up to date in the literature. Our method employs the wavelet transform to extract frequency-domain features for discrimination. Compared to the pulse gradient analysis (PGA) algorithm, it provides an improvement in reducing the overlap area between neutron and gamma events and also in increasing the Figure of Merit (FoM). Another advantage of this method consists in the removal of the dependency of the discrimination method on timing features. Since the light output in the scintillation process is very noisy, this kind of dependency may degrade the performance of the algorithm.

KW - Neutrons

KW - Frequency domain analysis

KW - Pulse shaping methods

KW - Shape

KW - Solid scintillation detectors

KW - Time domain analysis

KW - Wavelet transforms

KW - Feature extraction

KW - Algorithm design and analysis

KW - Electronics packaging

U2 - 10.1109/NSSMIC.2008.4774836

DO - 10.1109/NSSMIC.2008.4774836

M3 - Conference contribution/Paper

SN - 9781424427147

SP - 2387

EP - 2391

BT - IEEE Nuclear Science Symposium Conference Record

PB - IEEE

ER -