Position sensitivity in a 3″ × 3″ LaBr3:Ce scintillator

Abstract

The position sensitivity of a cylindrical continuous 3" × 3" (7.62 cm × 7.62 cm) LaBr3:Ce crystal was studied using a collimated beam of 662 keV gamma rays and a spectroscopic shielded PMT (HAMAMATSU R6233-100SEL) with standard passive voltage divider (HAMAMATSU E1198-26). The used crystal is sealed in a capsule and has diffusive/reflective surfaces to… (More)

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