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High spatial resolution gamma imaging detector based on a 5" diameter R3292 Hamamatsu PSPMT

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5 Author(s)
R. Wojcik ; Jefferson Lab., Newport News, VA, USA ; S. Majewski ; B. Kross ; D. Steinbach
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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 which enables greater design freedom

Published in:

Nuclear Science Symposium, 1997. IEEE

Date of Conference:

9-15 Nov 1997