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

Moslem Amiri, Jaroslav Čechák, Zdeněk Matěj

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    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 timedomain 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.
    Original languageEnglish
    JournalGRANT journal
    Publication statusPublished - Apr 2012


    • Neutron detection
    • neutron spectroscopy
    • digital pulse shape discrimination technique
    • time domain PSD
    • frequency domain PSD
    • organic scintillator


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