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We present a mean square estimation (MSE) based algorithm for position calculation of a scintillation gamma camera dedicated to single photon imaging. The photodetector consist of a 2×2 array of Hamamatsu H8500C-Mod8 segmented-anodes PMT (10×10 cm detection area)coupled to an array of NaI(Tl) scintillation crystals with 1.8 mm pixel size. Phototubes are read out by a 256-independent channels electronics...
The gamma cameras built on a LaBr3 crystal and Hamamatsu H8500 has a 49 mm by 49 mm FOV, equal to the detector active area. In order to increase the active area it is necessary to put more than one detector side to side. This can be done because the H8500 is designed do reduce as much as possible the dead area between two detectors. If we use a 2 by 2 matrix it is possible to use a single 10cm by...
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