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A liquid xenon TPC for a medical imaging Compton telescope

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arxiv 1109.3586 v2 pith:YYVHCBDK submitted 2011-09-16 physics.ins-det

A liquid xenon TPC for a medical imaging Compton telescope

classification physics.ins-det
keywords imagingresolutiondriftgammaliquidmedicaltechniquetime
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A new technique for medical imaging, "3{\gamma} imaging", is studied by our group at SUBATECH for few years. A small liquid xenon time projection chamber prototype has been built in order to demonstrate the feasibility of this technique. With an ultra-low-noise front-end electronics, the energy deposit and resolution of 511 keV {\gamma}-ray as a function of drift electric field (E) is measured with high precision. 500 {\mu}m of z resolution is estimated by measuring the charge carriers drift velocity and time resolution.

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