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Preliminary study of depth of interaction measurement for a PET detector |
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| Authors: | LIAO Yan-Fei ZHANG Zhi-Ming LI Dao-Wu SHUAI Lei SHAN Bao-Ci HUANG Xian-Chao LIU Jun-Hui CHEN Yan WANG Ying-Jie LIU Shuang-Quan WANG Pei-Lin WEI Shu-Jun WEI Long Key Laboratory of Nuclear Analysis Techniques |
| Institution: | LIAO Yan-Fei 1,2,3 ZHANG Zhi-Ming 1,2 LI Dao-Wu 1,2 SHUAI Lei 1,2 SHAN Bao-Ci1,2 HUANG Xian-Chao 1,3 LIU Jun-Hui 1,3 CHEN Yan 1,3 WANG Ying-Jie 1,3 LIU Shuang-Quan 1,3 WANG Pei-Lin 1,3 WEI Shu-Jun1,2 WEI Long1,1) 1 Key Laboratory of Nuclear Analysis Techniques,Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China 2 Beijing Engineering Research Center of Radiographic Techniques and Equipment,China 3 Graduate University of Chinese Academy of Scien... |
| Abstract: | In this work we studied the feasibility of detecting the depth of interaction (DOI) with two layers of crystal arrays of LYSO and BGO scintillators coupled to a position-sensitive photomultiplier tube (PS-PMT) R8900-C12. A front-end electronics was designed, with which we got different pulse shapes for different crystals to obtain depth information. With the double integration method, we got the DOI histogram of a divided integration ratio of two crystals as the standard to determine the layer-of-interactio... |
| Keywords: | PET detector DOI spatial resolution |
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