High resolution detectors based on continuous crystals and SiPMs for small animal PET - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Conference Papers Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Year : 2013

High resolution detectors based on continuous crystals and SiPMs for small animal PET

Abstract

Sensitivity and spatial resolution are the two main factors to maximize in emission imaging. The improvement of one factor deteriorates the other with pixelated crystals. In this work we combine SiPM matrices with monolithic crystals, using an accurate γ-ray interaction position determination algorithm that provides depth of interaction. Continuous crystals provide higher sensitivity than pixelated crystals, while an accurate interaction position determination does not degrade the spatial resolution. Monte Carlo simulations and experimental data show good agreement both demonstrating sub-millimetre intrinsic spatial resolution. A system consisting in two rotating detectors in coincidence is currently under operation already producing tomographic images.

Dates and versions

in2p3-00730611 , version 1 (10-09-2012)

Identifiers

Cite

J. Cabello, P. Barrillon, J. Barrio, M.G. Bisogni, A. del Guerra, et al.. High resolution detectors based on continuous crystals and SiPMs for small animal PET. 12th Pisa Meeting on Advanced Detectors : Frontier Detectors for Frontier Physics, May 2012, La Biodola, Italy. pp.148-150, ⟨10.1016/j.nima.2012.08.094⟩. ⟨in2p3-00730611⟩
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