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A cylindrically shaped high-resolution PET (positron-emission-tomography) detector that uses cross-plane coincidence events is being developed. A 2-D analog coded position-sensitive detector is used. It consists of a hexagonal array of photomultiplier tubes and a rectangular array of crystals, eight elements per tube. The optics has been designed to maximize the light collection and to provide uniform spatial resolution. The detector will be 60 cm in diameter by 11.5 cm wide, the crystals are 3 mm*5.7 mm*30 mm. The design, associated electronics, and results of measurements on a sector of the detector are presented.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Burnham et al. (1988) studied this question.
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