Proof of concept of an imaging system demonstrator for PET applications with SiPM

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Abstract

A PET imaging system demonstrator based on LYSO crystal arrays coupled to SiPM matrices is under construction at the University and INFN of Pisa. Two SiPM matrices, composed of 8×8 SiPM pixels, and 1,5 mm pitch, have been coupled one to one to a LYSO crystals array and read out by a custom electronics system. front-end ASICs were used to read 8 channels of each matrix. Data from each front-end were multiplexed and sent to a DAQ board for the digital conversion; a motherboard collects the data and communicates with a host computer through a USB port for the storage and off-line data processing. In this paper we show the first preliminary tomographic image of a point-like radioactive source acquired with part of the two detection heads in time coincidence. © 2012 Elsevier B.V.

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Morrocchi, M., Marcatili, S., Belcari, N., Giuseppina Bisogni, M., Collazuol, G., Ambrosi, G., … Del Guerra, A. (2013). Proof of concept of an imaging system demonstrator for PET applications with SiPM. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 720, 67–69. https://doi.org/10.1016/j.nima.2012.12.033

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