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A 1 1 mm3 resolution, high-sensitivity PET camera dedicated to breast imaging is being constructed with 4608 8×8 arrays of 1mm3 LYSO crystals, each coupled to a Position Sensitive Avalanche Photodiode (PSAPD). A subsection of the proposed camera with 256 PSAPDs in each head of the system has been constructed. The gain, as well as leakage current, of each of the PSAPDs shows a strong dependence on...
We are constructing a 1 mm3 resolution, high sensitivity breast-specific PET camera, consisting out of 2 imaging heads each built out of many layers of 8×8 arrays of 1×1×1 mm3 LYSO crystals coupled to Position Sensitive Avalanche Photo-Diodes (PSAPDs). This paper investigates the effects of shielding on out-of-field background event rate from highly vascular organs like heart, liver, spleen and brain...
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