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Neutron-gamma discrimination via PSD plastic scintillator and SiPMs

Taggart, MP, Payne, C and Sellin, PJ (2016) Neutron-gamma discrimination via PSD plastic scintillator and SiPMs Journal of Physics: Conference Series, 763 (1), 012007.

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Abstract

The reduction in availability and inevitable increase in cost of traditional neutron detectors based on the 3He neutron capture reaction has resulted in a concerted effort to seek out new techniques and detection media to meet the needs of national nuclear security. Traditionally, the alternative has been provided through pulse shape discrimination (PSD) using liquid scintillators. However, these are not without their own inherent issues, primarily concerning user safety and ongoing maintenance. A potential system devised to separate neutron and gamma ray pulses utilising the PSD technique takes advantage of recent improvements in silicon photomultiplier (SiPM) technology and the development of plastic scintillators exhibiting the PSD phenomena. In this paper we present the current iteration of this ongoing work having achieved a Figure of Merit (FoM) of 1.39 at 1.5 MeVee.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Taggart, MPUNSPECIFIEDUNSPECIFIED
Payne, CUNSPECIFIEDUNSPECIFIED
Sellin, PJUNSPECIFIEDUNSPECIFIED
Date : 2016
Identification Number : https://doi.org/10.1088/1742-6596/763/1/012007
Copyright Disclaimer : Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Depositing User : Symplectic Elements
Date Deposited : 02 Mar 2017 13:59
Last Modified : 02 Mar 2017 14:16
URI: http://epubs.surrey.ac.uk/id/eprint/813673

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