6 papers
108 ps coincidence time resolution through optimized scintillators, photodetectors, readout electronics, and DOI-based timing correction in orthogonally stacked detector configurations
Arisa Sanzen, Yuya Onishi, Takahiro Moriya +2
Objective. Existing commercial time-of-flight positron emission tomography (TOF-PET) systems yield a coincidence time resolution (CTR) of ~200 ps or less full width at half maximum…
Multi-Kernel TOF-PET Image Reconstruction Using ADMM
Kibo Ote, Fumio Hashimoto, Yuya Onishi +3
Time-of-flight positron emission tomography (TOF-PET) detectors exhibiting multiple coincidence time resolution (CTR) components, such as those induced by the mixing of Cherenkov a…
Machine learning enables experimental access to photon-by-photon arrival times in scintillation detectors
Yuya Onishi, Ryosuke Ota, Fumio Hashimoto +4
Scintillation detectors with excellent timing resolution enable more precise localization of radiation sources in positron emission tomography, leading to substantial improvements…
Scintillator-integrated microchannel plate photomultiplier tubes for ultrafast timing over keV-GeV energy scales
Ryosuke Ota, Yuya Onishi, Daehee Lee +8
Precise measurement of radiation has long played a vital role in a wide range of research and industrial fields, from fundamental physics beyond the Standard Model to medical imagi…
Imaging simulation of a dual-panel PET geometry with ultrafast TOF detectors
Taiyo Ishikawa, Go Akamatsu, Hideaki Tashima +7
In positron emission tomography (PET), time-of-flight (TOF) information localizes source positions along lines of response. Cherenkov-radiator-integrated microchannel-plate photomu…
Alleviating the trade-off between coincidence time resolution and sensitivity using scalable TOF-DOI detectors
Yuya Onishi, Ryosuke Ota
Coincidence time resolution (CTR) in time-of-flight positron emission tomography (TOF-PET) has significantly improved with advancements in scintillators, photodetectors, and readou…