Comparative analysis of pulse shape discrimination methods in a 6Li loaded plastic scintillator

Balmer, Matthew and Gamage, Kelum and Taylor, Graeme C. (2015) Comparative analysis of pulse shape discrimination methods in a 6Li loaded plastic scintillator. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 788. pp. 146-153. ISSN 0168-9002

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Abstract

Three algorithms for discriminating between fast neutrons, thermal neutrons and gamma rays in a 6Li loaded plastic scintillator have been compared. Following a literature review of existing pulse shape discrimination techniques, the performance of the charge comparison method, triangular filtering and frequency gradient analysis were investigated in this work. The scintillator was exposed to three different mixed gamma/neutron radiation fields. The figure of merit of neutron/gamma separation was investigated over a broad energy range, as well as for the neutron capture energy region. After optimisation, all three methods were found to perform similarly in terms of neutron/gamma separation.

Item Type:
Journal Article
Journal or Publication Title:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
73679
Deposited By:
Deposited On:
18 Jun 2015 05:40
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Oct 2020 07:26