Neutron-gamma discrimination via PSD plastic scintillator and SiPMs

Neutron-gamma discrimination via PSD plastic scintillator and SiPMs
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通过 PSD 塑料闪烁体和 SiPM 进行中子伽马辨别

DOI:
10.1088/1742-6596/763/1/012007
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发表时间:
2016
期刊:
Conference Series
影响因子:
--
通讯作者:
Taggart M
Taggart M
中科院分区:
--
文献类型:
--
作者:
Taggart M

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基于3He中子俘获反应的传统中子探测器的可用性降低和不可避免的成本增加导致了寻求新技术和探测介质以满足国家核安全需求的共同努力。传统上,已经通过使用液体稀释器的脉冲形状鉴别(PSD)提供了替代方案。然而,这些并非没有其自身的固有问题,主要涉及用户安全和持续维护。一个潜在的系统,旨在利用PSD技术分离中子和伽马射线脉冲,利用硅光电倍增管(SiPM)技术的最新改进和发展的塑料制冷剂表现出PSD现象。在本文中,我们提出了目前正在进行的工作已经实现了1.39在1.5 MeVee的品质因数(FoM)的迭代。
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.
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DOI: --
发表时间: 2009
期刊:
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