Large-area imaging detector for neutron scattering based on boron-rich liquid scintillator

D. Vartsky; M.B. Goldberg; A. Breskin; R. Chechik; B. Guerard; J.F. Clergeau

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Large-area imaging detector for neutron scattering based on boron-rich liquid scintillator

机译：基于富硼闪烁体的中子散射大面积成像探测器

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摘要

We discuss a new thermal-neutron imaging detector that combines a neutron converter coupled to a position-sensitive gaseous photodetector. The neutron converter consists of a thin (0.5 mm) layer of boron-rich liquid scintillator. It is viewed by an atmospheric-pressure, gas-avalanche photomultiplier with a bialkali photocathode. Scintillation-induced photoelectrons are multiplied by a cascade of Gas Electron Multipliers (GEM). The multi-GEM supplies the pulse-height, time and position information for each converted neutron. Such a fast, large-area detector can operate at high radiation flux.

机译：我们讨论了一种新的热中子成像探测器，该探测器结合了中子转换器和位置敏感型气体光电探测器。中子转换器由一层薄的（0.5毫米）富硼液体闪烁体组成。它是由一个常压，雪崩光电倍增管和一个双碱性光电阴极来观察的。闪烁感应的光电子乘以级联的气体电子倍增器（GEM）。多重GEM为每个转换的中子提供脉冲高度，时间和位置信息。这种快速的大面积检测器可以在高辐射通量下运行。

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来源
《Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment》 |2003年第3期|p.369-373|共5页
作者
D. Vartsky; M.B. Goldberg; A. Breskin; R. Chechik; B. Guerard; J.F. Clergeau;
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作者单位

Soreq NRC, Yavne 81800, Israel;

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原文格式 PDF
正文语种 eng
中图分类计量学;原子能技术;原子核物理学、高能物理学;
关键词
liquid scintillator; neutron detector; neutron scattering; gaseous photomultiplier;

机译：液体闪烁器中子探测器中子散射气态光电倍增管;

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4. Real-time, digital imaging of fast neutrons and γ rays with a single fast liquid scintillation detector [C] . Joyce Malcolm J., Gamage Kelum A. A. Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE . 2011

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5. Neutron scattering from uranium-based non-Fermi liquid systems. [D] . Kelley, Timothy Michael. 2002

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6. Development and applications of a new neutron single-crystal diffractometer based on a two-dimensional large-area curved position-sensitive detector [O] . Chang-Hee Lee, Yukio Noda, Yoshihisa Ishikawa, -1

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机译：用直接WImp探测器评估中子背景基于Gd掺杂液体闪烁体的中子Veto系统

Large-area imaging detector for neutron scattering based on boron-rich liquid scintillator

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