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Investigation of liquid xenon detectors for PET: Simultaneous reconstruction of light and charge signals from 511 keV photons

By: Retiere, F.; Muennich, A.; Martin, J.P.; Marshall, C.; Sher, A.; Kurchaninov, L.; Bryman, D.; Amaudruz, P.; Lu, P.;

2007 / IEEE / 978-1-4244-0922-8

Description

This item was taken from the IEEE Conference ' Investigation of liquid xenon detectors for PET: Simultaneous reconstruction of light and charge signals from 511 keV photons ' We investigated the detection of gamma rays in a small liquid xenon detector to assess elements of the performance for positron emission tomography. Scintillation light was detected by large area avalanche photodiodes while the ionization electrons were measured on the anode of a time projection chamber after drifting up to 3 cm. The optimum running conditions have been investigated as a function of electric field. An energy resolution j4% (rms) was achieved by combining scintillation light and ionization charge.