Track finding at Belle II

This paper describes the track-finding algorithm that is used for event reconstruction in the Belle II experiment operating at the SuperKEKB B-factory in Tsukuba, Japan. The algorithm is designed to balance the requirements of a high efficiency to find charged particles with a good track parameter resolution, a low rate of spurious tracks, and a reasonable demand on CPU resources. The software is implemented in a flexible, modular manner and employs a diverse selection of global and local track-finding algorithms to achieve an optimal performance. (C) 2020 Elsevier B.V. All rights reserved.

Automated summary

This paper describes a track-finding algorithm used in the Belle II experiment, aiming to balance high efficiency, good track parameter resolution, low spurious track rate, and reasonable CPU resource demands. The software is implemented in a flexible, modular manner, utilizing a diverse selection of global and local track-finding algorithms for optimal performance.