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http://dx.doi.org/10.1016/j.net.2018.07.009

A scintillation detector configuration for pulse shape analysis  

Van Chuan, Phan (Dalat University)
Hoa, Nguyen Duc (Dalat University)
Hai, Nguyen Xuan (Dalat Nuclear Research Institute)
Anh, Nguyen Ngoc (Dalat Nuclear Research Institute)
Dien, Nguyen Nhi (Dalat Nuclear Research Institute)
Khang, Pham Dinh (Hanoi University of Science and Technology)
Publication Information
Nuclear Engineering and Technology / v.50, no.8, 2018 , pp. 1426-1432 More about this Journal
Abstract
This paper presents a neutron detector configuration using EJ-301 scintillation liquid, a R9420 photo-multiplier and a homemade preamplifier. The detector qualities which include the energy linearity, efficiency response and neutron/gamma discrimination are guaranteed for neutron detection in the energy range from 0 to 3000 keVee. Regarding the neutron/gamma discrimination capability, four pulse shape discrimination (PSD) methods which are the threshold crossing time (TCT), pulse gradient analysis (PGA), charge comparison (CC) and correlation pattern recognition (CPR), were evaluated and discussed; among of these, the CPR method provides the best neutron/gamma discrimination.
Keywords
Neutron scintillation detector; Pulse shape discrimination; Neutron/gamma discrimination;
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