A compact, high signal-to-noise ratio line-detector array Compton scatter imaging system based on silicon photomultipliers.

Xiao Xiong,Liu Yantao,Cao Daquan,Zhou Wei,Wang Xiaoming,Wang Yingjie,Li Daowu,Tang Haohui,Huang Xianchao,Jiang Xiaopan,Zhang Yiwen,Lu Zhenrui,Zhang Jipeng,Liang Xiuzuo,Pang Xiaoyu,Wang Chao,Wei Long,Zhang Zhiming

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine（2019）

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摘要

We develop a compact, high signal-to-noise ratio line-detector array Compton scatter imaging system based on Y2SiO5 scintillators and silicon photomultipliers. It is shown that the system's response uniformity is better than 98% for low-Zeff materials after a specific correction. Backscatter images of an "IHEP"-character model, cubes of different materials, and some other applications are presented, to show its potential for use in nondestructive testing.

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