Title :
High spatial resolution gamma imaging detector based on a 5" diameter R3292 Hamamatsu PSPMT
Author :
Wojcik, R. ; Majewski, S. ; Kross, B. ; Steinbach, D. ; Weisenberger, A. GI
Author_Institution :
Jefferson Lab., Newport News, VA, USA
fDate :
6/1/1998 12:00:00 AM
Abstract :
High resolution imaging gamma-ray detectors were developed using Hamamatsu\´s 5" diameter R3292 position sensitive PMT (PSPMT) and a variety of crystal scintillator arrays. Special readout techniques were used to maximize the active imaging area while reducing the number of readout channels. Spatial resolutions approaching 1 mm were obtained in a broad energy range from 20 to 511 keV. Results are also presented of coupling the scintillator arrays to the PMT via imaging light guides consisting of acrylic optical fibers
Keywords :
gamma-ray detection; photomultipliers; position sensitive particle detectors; solid scintillation detectors; 20 to 511 keV; R3292 Hamamatsu PSPMT; R3292 position sensitive PMT; acrylic optical fibers; active imaging area; crystal scintillator arrays; high spatial resolution gamma imaging detector; imaging light guides; readout techniques; scintillator arrays; Anodes; Cameras; Energy resolution; Gamma ray detection; Gamma ray detectors; High-resolution imaging; Optical arrays; Optical imaging; Slabs; Spatial resolution;
Journal_Title :
Nuclear Science, IEEE Transactions on
