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Time of flight (TOF) measurements in positron emission tomography (PET) are very challenging in terms of timing performance, and should achieve ideally less than 100 ps FWHM precision. We present a time-based differential technique to read out SiPMs that has less than 25 ps rms electronic jitter. The novel readout is a fast front end circuit (NINO) based on a first stage differential current mode...
A prototype hadronic calorimeter for the ILC detector is under construction at DESY. It will consist of 8000 scintillator tiles with analog readout performed via SiPM directly mounted on each tile. A dedicated ASIC has been developed to match the requirements of large dynamic range, low noise, high precision and large number of readout channels needed. Particular care is given to the optimization...
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