Title :
Digital pulse-shape analysis for Ge Compton camera
Author :
Fukuchi, Tomonori ; Motomura, Shinji ; Takeda, Sin´ichiro ; Hiromura, Makoto ; Fukunaka, Ayako ; Haba, Hiromitsu ; Watanabe, Yasuyoshi ; Enomoto, Shuichi
Author_Institution :
Center for Mol. Imaging Sci., RIKEN, Kobe, Japan
Abstract :
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 54Mn 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 64Cu of 3 MBq, demonstrated that few millimeter spatial resolution was achieved with our new system.
Keywords :
Compton effect; germanium; germanium radiation detectors; nuclear electronics; pulse shaping; 2D hot spots; 54Mn point source; Ge Compton camera; RI phantom; digital pulse-shape analysis system; intrinsic position resolution;
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE
Conference_Location :
Valencia
Print_ISBN :
978-1-4673-0118-3
DOI :
10.1109/NSSMIC.2011.6154553