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- W1626111118 abstract "Summary form only received as follows: The microPET Primate 4 ring system (P4) is a small animal PET tomograph with an 8 cm axial extent, an 18 cm transaxial field of view (FOV) and an animal port of 22 cm diameter. The system is comprised of 168 detectors, each with an 8/spl times/8 array of 2.2/spl times/2.2/spl times/10 mm LSO crystals, for 32 crystal rings with a detector diameter of 26 cm. The crystals of each detector are coupled to a Hamamatsu H5900-C8 position sensitive photomultiplier tube (PMT) via a 10 cm long fiber bundle. The reconstructed image resolution was measured with an F-18 line source positioned at different radial offsets [0-5 cm] across the FOV. The reconstructed radial and tangential components of the spatial resolution range from 2.3 mm at the center to 3.0 mm at 5 cm radial offset. The tomograph has peak system sensitivity of 1.7% at the center FOV with an energy window of 250-700 keV. The energy resolution of the individual crystal elements ranges from 22 to 34%, with a mean of 26%. A miniature Derenzo and a monkey brain phantom were scanned and reconstructed with filtered backprojection to illustrate the capabilities of the tomograph. Randoms subtraction was performed on all acquisitions." @default.
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- W1626111118 date "2002-11-11" @default.
- W1626111118 modified "2023-10-17" @default.
- W1626111118 title "Preliminary evaluation of the microPET P4: a PET system dedicated to small animal imaging" @default.
- W1626111118 doi "https://doi.org/10.1109/nssmic.2000.949346" @default.
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