Abstract
Various pulse shape discrimination methods have been used to solve the neutron–gamma discrimination problem, but most of them are limited to offline calculations due to the computation burden and FPGA performance. In order to discriminate neutrons and gamma-rays in real-time, a new algorithm based on the traditional pulse shape discrimination methods is proposed in this paper. The new algorithm considers the physical properties of the pulse signal, which significantly reduces the computation and dead time without affecting precision. The algorithm can also work on the FPGA directly. Good performance was demonstrated in an actual experiment using a CLLB scintillation detector.
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