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A comparison among different architectures of front-end preamplifiers for SiPM detectors is useful when relevant performance in terms of timing accuracy is required in single photon detection applications. Many different solutions have been proposed in the past, which can be grouped into three main approaches: charge sensitive amplifiers, voltage-mode amplifiers and current-mode buffers. Here these...
As a step towards the realization of a γ-ray 8x8 modular imaging probe, the single pixel element has been extensively tested. It consists of a 6.1 mm2 x 3.7 mm CsI(Tl) scintillation crystal optically coupled to the backside of a 3.6 mm2 PiN diode on a 300 um fully depleted silicon wafer. The γ-ray detection system has been irradiated with the radio-isotopes: 241Am, 99mTc, 152Eu and 137Cs to span the...
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