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The X'tal cube is our new PET detector which is composed of a segmented crystal block and multi-pixel photon counters (MPPCs). It detects scintillation photons in three dimensions by arranging MPPCs on multiple surfaces of the crystal block. It is possible to collect scintillation photons efficiently for higher energy, spatial, and timing resolution. We have previously reported that 3 mm isotropic...
We have proposed a depth of interaction (DOI) PET detector named X'tal cube, in which a number of Multi-Pixel Photon Counters (MPPCs) are coupled on various positions of six surfaces of a segmented scintillation crystal block. There are no reflectors within the block, and the areas among MPPCs on the surface are covered with reflector. The MPPC is thin and light solid-state photo-detector so that...
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