Physics – Instrumentation and Detectors
Scientific paper
2011-04-07
J.Phys.Conf.Ser.312:062006,2011
Physics
Instrumentation and Detectors
Paper presented at the International Nuclear Physics Conference, Vancouver, Canada, 2010
Scientific paper
10.1088/1742-6596/312/6/062006
PET is a functional imaging technique based on detection of annihilation photons following beta decay producing positrons. In this paper, we present the concept of a new PET system for preclinical applications consisting of a ring of twelve time projection chambers filled with liquid xenon viewed by avalanche photodiodes. Simultaneous measurement of ionization charge and scintillation light leads to a significant improvement to spatial resolution, image quality, and sensitivity. Simulated performance shows that an energy resolution of <10% (FWHM) and a sensitivity of 15% are achievable. First tests with a prototype TPC indicate position resolution <1 mm (FWHM).
Amaudruz Pierre
Benard F.
Bryman D. A.
Kurchaninov Lenoid
Martin Jean Pierre
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