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High performance $\gamma$-camera concept for PET based on liquid xenon and a gaseous photomultiplier

Abstract : The lXe-PET project aims at initiating an international scientific cooperation to study a new generation of γ-cameras for Positron Emission Tomography (PET). Our approach consists of coupling a liquid Xe converter with an advanced large-area, fast gas-avalanche imaging photomultiplier (GPM). The foreseen method is based on detecting both the ionization and Xe scintillation signals, to provide the three coordinates and the energy of the converted γ. For that purpose, we will develop ionization detectors based on Micromegas or PIM (Parallel Ionization Multiplier) operating in liquid Xenon and cryogenic GPMs with CsI photocathodes for the detection of the scintillation signal; these will include: multi-GEMs (Gas Electron Multipliers), Thick GEM-like multipliers (THGEM), PIM, glass capillary plates and wire-type. Expected characteristics of such γ-camera will be presented.
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http://hal.in2p3.fr/in2p3-00025857
Contributor : Dominique Girod Connect in order to contact the contributor
Submitted on : Wednesday, March 29, 2006 - 10:22:17 AM
Last modification on : Thursday, August 5, 2021 - 2:40:01 PM

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  • HAL Id : in2p3-00025857, version 1

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Dominique Thers, A. Breskin, R. Chechik, Jean-Pierre Cussonneau, C. Grignon, et al.. High performance $\gamma$-camera concept for PET based on liquid xenon and a gaseous photomultiplier. Applications of Rare Gas Xenon to Science And Technology (XeSAT 2005), Mar 2005, Tokyo, Japan. pp.1-8. ⟨in2p3-00025857⟩

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