Discrimination of neutron and photon signals using time and frequency domain data

Autoři AMIRI Moslem — ČECHÁK Jaroslav MATĚJ Zdeněk
Druh Článek ve sborníku
Citace AMIRI, Moslem, Jaroslav ČECHÁK a Zdeněk MATĚJ. Discrimination of neutron and photon signals using time and frequency domain data. In Magnanimitas, Hradec Králové, 2011. Proceedings of the International Scientific Conference MMK 2011. 1st edition. Hradec Králové, Czech Republic: Magnanimitas, Hradec Králové, 2011, 2011. s. 2580-2586, 7 s. ISBN 978-80-904877-7-2.
Originální jazyk angličtina
Obor Informatika
Klíčová slova neutron detection; neutron spectroscopy; digital pulse shape discrimination technique; time domain PSD; frequency domain PSD; organic scintillator

Two new methods for the digital discrimination of neutrons and gamma-rays in a mixed radiation field are presented. There are many methods available which take advantage of time-domain pulse shape discrimination of these two signals. However, there are no methods based on frequency-domain characteristics of them, in particular using discrete Fourier transform (DFT). Applying DFT, we can distinguish between these radiations much better. Combining time and frequency domain PSDs, we can further increase the discrimination quality while improving computation time to be applicable for field measurements.

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