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Author  |
Dilator, J.M.; Jaworski, G.; Goasduff, A.; Gonzalez, V.; Gadea, A.; Palacz, M.; Valiente-Dobon, J.J.; Nyberg, J.; Casans, S.; Navarro-Anton, A.E.; Sanchis, E.; de Angelis, G.; Boujrad, A.; Coudert, S.; Dupasquier, T.; Ertürk, S.; Stezowski, O.; Wadsworth, R. |
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Title |
Reconstruction of pile-up events using a one-dimensional convolutional autoencoder for the NEDA detector array |
Type |
Journal Article |
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Year |
2025 |
Publication |
Nuclear Science and Techniques |
Abbreviated Journal |
Nucl. Sci. Tech. |
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Volume |
36 |
Issue |
2 |
Pages |
32 - 9pp |
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Keywords |
1D-CAE; Autoencoder; CAE; Convolutional neural network (CNN); Neutron detector; Neutron-gamma discrimination (NGD); Machine learning; Pulse shape discrimination; Pile-up pulse |
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Abstract |
Pulse pile-up is a problem in nuclear spectroscopy and nuclear reaction studies that occurs when two pulses overlap and distort each other, degrading the quality of energy and timing information. Different methods have been used for pile-up rejection, both digital and analogue, but some pile-up events may contain pulses of interest and need to be reconstructed. The paper proposes a new method for reconstructing pile-up events acquired with a neutron detector array (NEDA) using an one-dimensional convolutional autoencoder (1D-CAE). The datasets for training and testing the 1D-CAE are created from data acquired from the NEDA. The new pile-up signal reconstruction method is evaluated from the point of view of how similar the reconstructed signals are to the original ones. Furthermore, it is analysed considering the result of the neutron-gamma discrimination based on charge comparison, comparing the result obtained from original and reconstructed signals. |
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Address |
[Deltoro, J. M.; Gonzalez, V.; Casans, S.; Navarro-Anton, A. E.; Sanchis, E.] Univ Valencia, Dept Elect Engn, Valencia, Spain, Email: josemadeltoro@gmail.com |
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Publisher |
Springer Singapore Pte Ltd |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
1001-8042 |
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Notes |
WOS:001395405000003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6420 |
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