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The properties of large volume cylindrical 3.5″×8″ (89mm×203mm) LaBr 3 :Ce scintillation detectors coupled to the Hamamatsu R10233-100SEL photo-multiplier tube were investigated. These crystals are among the largest ones ever produced and still need to be fully characterized to determine how these detectors can be utilized and in which applications. We tested the detectors using monochromatic...
The position sensitivity in a 3”×3” LaBr3:Ce crystal has been simulated using collimated beams of medium and high energy γ-rays. The simulations have been done using the GEANT4 libraries which allow to follow both the gamma ray interaction in the detector and the scintillation light up to the photocathode. In the simulations the crystal has been coupled to an ideal PSPMT and/or a shielded PMT. The...
The 16-channel module (BaFPro) that we have originally developed for processing signals of Barium Fluoride scintillators has been recently adopted to made a pulse shape analysis with signals of Lanthanum Bromide scintillators. Our idea is to use the precision of the fast analog stretcher circuit present in the BaFPro module, to capture in precise way the amplitude peak of the LaBr3 signals. Since...
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