Energy and Timing Resolution Studies With Silicon Photomultipliers (SiPMs) and 4-Pixel SiPM Matrices for PET

Llosá, G.; Belcari, N.; Bisogni, M. G.; Collazuol, G.; Marcatili, S.; Moehrs, S.; Morsani, F.; Piemonte, Claudio; Del Guerra, A.

doi:10.1109/TNS.2009.2015877

A high performance detector head with matrices of silicon photomultipliers (SiPMs) as photodetectors is under development at the University of Pisa and INFN Pisa. The silicon photomultipliers fabricated at FBK-irst (Trento, Italy) are being evaluated for this purpose. Single SiPM detectors of 1mm x 1mm size and the first SiPM test matrices composed of four (2x2) pixel elements in a common substrate have been tested with LYSO crystals. The energy and timing resolution of single SiPMs have been evaluated, obtaining an energy resolution of 20% FWHM at 511 keV, and a coincidence timing resolution of 1.4 ns FWHM. In addition, the first tests performed with the SiPM matrices prove the feasibility of such devices.

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Titolo:	Energy and Timing Resolution Studies With Silicon Photomultipliers (SiPMs) and 4-Pixel SiPM Matrices for PET
Autori:	G. Llosá N. Belcari M. G. Bisogni G. Collazuol S. Marcatili S. Moehrs F. Morsani Piemonte, Claudio A. Del Guerra mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2009
Rivista:	IEEE TRANSACTIONS ON NUCLEAR SCIENCE
Abstract:	A high performance detector head with matrices of silicon photomultipliers (SiPMs) as photodetectors is under development at the University of Pisa and INFN Pisa. The silicon photomultipliers fabricated at FBK-irst (Trento, Italy) are being evaluated for this purpose. Single SiPM detectors of 1mm x 1mm size and the first SiPM test matrices composed of four (2x2) pixel elements in a common substrate have been tested with LYSO crystals. The energy and timing resolution of single SiPMs have been evaluated, obtaining an energy resolution of 20% FWHM at 511 keV, and a coincidence timing resolution of 1.4 ns FWHM. In addition, the first tests performed with the SiPM matrices prove the feasibility of such devices.
Handle:	http://hdl.handle.net/11582/6868
Appare nelle tipologie:	1.1 Articolo in rivista

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