Investigation of a Model-Based Time-Over-Threshold Technique for Phoswich Crystal Discrimination

Haithem Bouziri,Catherine M Pepin,Konin Koua,Maher Benhouria,Caroline Paulin,Jinsong Ouyang,Marc Normandin,Jean-François Pratte,Georges El Fakhri,Roger Lecomte,Réjean Fontaine

IEEE Transactions on Radiation and Plasma Medical Sciences（2022）

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摘要

The best crystal identification (CI) algorithms proposed so far for phoswich detectors are based on adaptive filtering and pulse shape discrimination (PSD). However, these techniques require free running analog to digital converters, which is no longer possible with the ever increasing pixelization of new detectors. We propose to explore the dual-threshold time-over-threshold (ToT) technique, used...

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关键词

Crystals,Avalanche photodiodes,Detectors,Scintillators,Plasmas,Transfer functions,Timing

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