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http://dx.doi.org/10.1016/j.net.2019.07.035

A technique for the reduction of pulse pile-up effect in pulse-shape discrimination of organic scintillation detectors  

Nakhostin, M. (Department of Physics, University of Surrey)
Publication Information
Nuclear Engineering and Technology / v.52, no.2, 2020 , pp. 360-365 More about this Journal
Abstract
A technique for the reduction of pulse pile-up effect in digital pulse-shape discrimination (PSD) of neutrons and gamma-rays with organic scintillation detectors is presented. The technique is based on an electronic reduction of the effective decay-time constant of scintillation pulses while retaining the PSD information of the pulses. The experimental results obtained with a NE213 liquid scintillation detector in a mixed radiation field of neutrons and gamma-rays are presented, demonstrating a figure of merit (FOM) of 1.20 ± 0.05 with an energy threshold of 350 keVee (electron equivalent energy) when the effective length of the pulses is reduced to 50 ns.
Keywords
Pulse-shape discrimination; Neutron detection; Digital signal processing; Pulse pile-up;
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