2020•Journal of InstrumentationRequires access

The JOINBON SiPM for the readout of LySO crystals: a Multi Voltage Threshold approach

N. d’Ascenzo, Lin Wang, X. Zhang, Qi Lv, Emanuele Antonecchia, Y. Lin, M. Kattan, S. Leinweber, Qingguo Xie

Abstract

The JOINBON Silicon Photomultiplier is a novel commercial silicon sensor for weak photon flux. In this paper we report a characterization of the sensor for the readout of LySO crystals with potential application to Positron Emission Tomography. We measured a energy resolution of approximately (13.50±0.03)% (FWHM) and a coincidence time resolution ranging between (215±3) ps for a 5 mm long crystal up to (290±2) ps for a 20 mm long crystal. Finally we tested the feasibility of the JOINBON SiPM to a Multi Voltage Threshold readout and we obtained a energy resolution compatible with the intrinsic system performance.

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Key concepts: Lyso-, Silicon photomultiplier, Resolution (logic), Photomultiplier, Crystal (programming language), Full width at half maximum, Optoelectronics, Voltage