The TOP counter and determination of bunch-crossing time at Belle II

Sumitted to PubDB: 2022-12-20

Category: Proceeding, Visibility: Public

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Authors	Marko Staric
Date	Dec. 20, 2022
Belle II Number	BELLE2-CONF-PROC-2022-022
Abstract	At the Belle II experiment a Time-of-Propagation (TOP) counter is used for particle identification in the barrel region. This novel type of particle identification device combines the Cherenkov ring imaging technique with the time-of-flight and therefore it relies on a precise knowledge of the time of collision in each triggered event. We discuss the performance of the counter and present a maximum likelihood based method for the determination of event collision time from the measured data.