A liquid xenon TPC for a medical imaging Compton telescope
Oger, T. · Chen, W-T. · Cussonneau, J-P. · Donnard, J. · Duval, S. · Lamblin, J. · Lemaire, O. · Hadi, A. F. Mohamad · Ray, P. Le · Morteau, E. · Lavina, L. Scotto · Stutzmann, J-S. · Thers, D.
Original · EN
A new technique for medical imaging, "3γ 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 γ-ray as a function of drift electric field (E) is measured with high precision. 500 μm of z resolution is estimated by measuring the charge carriers drift velocity and time resolution.
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