Digital Pulse-Shape Analysis For Ge Compton Camera
2011 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (NSS/MIC)(2011)
摘要
We have developed a real-time digital pulse-shape analysis system for a Ge Compton camera. We successfully demonstrated the improvement of the intrinsic position resolution using the digital pulse-shape analysis. A test measurement with a Mn-54 point source showed that the spatial resolution of the Compton camera with the digital system were improved about 1.5 times. The first imaging of an RI phantom, that has 2D hot spots filled with (CU)-C-64 of 3 MBq, demonstrated that few millimeter spatial resolution was achieved with our new system.
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关键词
spatial resolution,hot spot,germanium,point source,pulse shaping,compton effect
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