携带6li闪烁体的便携式快中子成像仪

2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD) Pub Date : 2016-10-01 DOI:10.1109/NSSMIC.2016.8069834

Toru Matsumura, T. Shinkawa

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引用次数: 0

摘要

提出了笼形含锂闪烁体作为核安全快中子成像仪。闪烁体之间的计数速率差异使我们能够借助迭代-贝叶斯展开法重建中子源的方向。仿真研究表明，该成像仪具有10度角分辨率，并能识别多个源方向。该仿真可以再现探测器样机的实验结果。这表明快中子成像仪的思想是可行的。

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A portable fast-neutron imager with 6Li-containing scintillators

Li-containing scintillators arranged in cage-shaped are proposed as a fast-neutron imager for nuclear security. Counting rate difference among the scintillators enables us to reconstruct the direction of neutron source by the aid of an iterative-Bayesian unfolding method. Simulation studies show that the proposed imager has angular resolution of 10 degrees and even identifies multiple source directions. The simulation can reproduce experimental results with a prototype detector. This indicates that the idea of the fast neutron imager is feasible.

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来源期刊

2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)

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