Search results for "Counting efficiency"

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Energy Recovery of Multiple Charge Sharing Events in Room Temperature Semiconductor Pixel Detectors

2021

Multiple coincidence events from charge-sharing and fluorescent cross-talk are typical drawbacks in room-temperature semiconductor pixel detectors. The mitigation of these distortions in the measured energy spectra, using charge-sharing discrimination (CSD) and charge-sharing addition (CSA) techniques, is always a trade-off between counting efficiency and energy resolution. The energy recovery of multiple coincidence events is still challenging due to the presence of charge losses after CSA. In this work, we will present original techniques able to correct charge losses after CSA even when multiple pixels are involved. Sub-millimeter cadmium–zinc–telluride (CdZnTe or CZT) pixel detectors we…

Physics::Instrumentation and DetectorsCZT pixel detectors030303 biophysicsTP1-1185Radiation01 natural sciencesBiochemistryCoincidenceCollimated lightArticleAnalytical ChemistryCharge sharingcharge-sharing correction03 medical and health sciencesOptics0103 physical sciencesElectrical and Electronic EngineeringInstrumentationPhysics0303 health sciencesCharge sharing; Charge-sharing correction; CZT pixel detectors; Semiconductor pixel detectorscharge sharingPixel010308 nuclear & particles physicsbusiness.industryChemical technologyCounting efficiencyDetectorsemiconductor pixel detectorsSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Atomic and Molecular Physics and OpticsPhoton countingbusinessSensors
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