Search results for "X-ray and Î³-ray detector"

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Digital fast pulse shape and height analysis on cadmium-zinc-telluride arrays for high-flux energy-resolved X-ray imaging.

2017

Cadmium-zinc-telluride (CZT) arrays with photon-counting and energy-resolving capabilities are widely proposed for next-generation X-ray imaging systems. This work presents the performance of a 2Ã¢...mm-thick CZT pixel detector, with pixel pitches of 500 and 250Ã¢...Î¼m, dc coupled to a fast and low-noise ASIC (PIXIE ASIC), characterized only by the preamplifier stage. A custom 16-channel digital readout electronics was used, able to digitize and process continuously the signals from each output ASIC channel. The digital system performs on-line fast pulse shape and height analysis, with a low dead-time and reasonable energy resolution at both low and high fluxes. The spectroscopic response …

0301 basic medicine030103 biophysicsNuclear and High Energy PhysicsMaterials sciencePreamplifierInstrumentationenergy-resolved photon counting detectordigital pulse shape analysienergy-resolved photon counting detectors01 natural sciencesCharge sharing03 medical and health scienceschemistry.chemical_compoundOpticshigh flux0103 physical sciencesInstrumentationX-ray and ?-ray detectorsNuclear and High Energy Physiccharge sharingRadiationdigital pulse shape analysisPixel010308 nuclear & particles physicsbusiness.industryCdZnTe detectorsCdZnTe detectorSettore FIS/01 - Fisica SperimentaleDetectorX-ray and Î³-ray detectorBiasingSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Cadmium zinc telluridechemistryDirect couplingbusinessJournal of synchrotron radiation

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