Pilot study of timing performance for time-of-flight positron emission tomography detector

被引：0

作者：

Liu, Jun-Hui ^{[1
,2
,3
]}

Li, Dao-Wu ^{[1
,2
]}

Zhang, Zhi-Ming ^{[1
,2
]}

Liao, Yan-Fei ^{[1
,2
,3
]}

Huang, Xian-Chao ^{[1
,2
,3
]}

Wang, Pei-Lin ^{[1
,2
,3
]}

Chen, Yan ^{[1
,2
,3
]}

Yun, Ming-Kai ^{[1
,2
]}

Feng, Bao-Tong ^{[1
,2
]}

Shuai, Lei ^{[1
,2
]}

Wang, Bao-Yi ^{[1
,2
]}

Zhang, Tian-Bao ^{[1
,2
]}

Wei, Long ^{[1
,2
]}

机构：

[1] Key Laboratory of Nuclear Analyses Technology, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

[2] Beijing Engineering Research Center of Radiographic Techniques and Equipments, Beijing 100049, China

[3] Graduate University of Chinese Academy of Sciences, Beijing 100049, China

来源：

Yuanzineng Kexue Jishu/Atomic Energy Science and Technology | 2011年 / 45卷 / 12期

关键词：

Positrons - Timing circuits - Barium compounds - Electrons - Gamma rays - Photomultipliers;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In this work, LYSO scintillators and position sensitive photomultiplier tube (PS-PMT) were used to design the TOF-PET detector, and LYSO crystals of 3.2 mm×3.2 mm pitch could be distinguished. The coincidence time resolution of 379 ps was measured for the γ rays produced by positron annihilation with a reference detector of BaF2, whose time resolution for 511 keV γ ray was measured as 159 ps. By subtracting the contribution of the BaF2 detector, 344 ps time resolution could be calculated for the designed TOF-PET detector, and 486 ps coincidence time resolution for γ rays of positron annihilation can be expected for two such detectors. It means that the new detector for TOF-PET is feasible.

引用

页码：1522 / 1526

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