Abstract

The use of silicon photomultipliers for reading optical information from scintillators was investigated. Measurements were taken with scintillating fibers, tiles, and high-Z scintillators. In experiments with silicon photomultipliers, it was shown that relativistic particles were detected in scintillating fibers with an efficiency of 97–98% and that there were about nine photoelectrons. When information was read out of scintillator tiles via wavelength shifting fibers, the number of photoelectrons was ∼15. The energy resolution of detectors based on LSO crystals was ∼25% for γ rays with energies of 500–600 keV.

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