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We evaluate the performance of a large field-of-view gamma camera (9.5mm thick NaI(Tl) crystal) connected to a new 80-channel list-mode read out system. The final goal of this setup is its use for simultaneous sub-mm imaging of positron emitters (511keV) and single photon emitting tracers (25-400keV) in a small animal scanner. All of the 55 photomultiplier tubes (PMT) in our test gamma camera have...
Mercuric iodide single crystals have been used successfully as gamma radiation detectors for many years. Recently a different growth method called `seeded homoepitaxy' has been studied. This method has the advantage of growing detector-sized volumes with a thickness of about 10mm in a highly accelerated timeframe. The electronic transport properties of a mercuric iodide detector have been shown to...
Recently emission imaging exploiting Compton scattered radiation has been shown to be a feasible three-dimensional imaging modality, in particular for medical imaging. It exhibits several advantageous features among which the possibility of acquiring data using a stationary detector, instead of a moving one as in standard emission tomography imaging modalities. But measurements of scattered photons...
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