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arxiv: 2003.12466 · v2 · pith:JC32V7RJnew · submitted 2020-03-27 · ⚛️ physics.ins-det · hep-ex

Track Finding at Belle II

Valerio Bertacchi , Tadeas Bilka , Nils Braun , Giulia Casarosa , Luigi Corona , Sam Cunliffe , Filippo Dattola , Gaetano De Marino
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Michael De Nuccio Giacomo De Pietro Thanh Van Dong Giulio Dujany Patrick Ecker Michael Eliachevitch Tristan Fillinger Oliver Frost Rudolf Fruehwirth Uwe Gebauer Alexander Glazov Nicolas Gosling Aiqiang Guo Thomas Hauth Martin Heck Mateusz Kaleta Jakub Kandra Claus Kleinwort Thomas Kuhr Simon Kurz Peter Kvasnicka Jakob Lettenbichler Thomas Lueck Alberto Martini Felix Metzner Dmitrii Neverov Carsten Niebuhr Eugenio Paoloni Sourav Patra Leo Piilonen Cyrille Praz Markus Tobias Prim Christian Pulvermacher Sebastian Racs Navid Rad Petar Rados Martin Ritter Giuliana Rizzo Armine Rostomyan Bianca Scavino Tobias Schlueter Benjamin Schwenker Stefano Spataro Bjoern Spruck Henrikas Svidras Francesco Tenchini Yuma Uematsu James Webb Christian Wessel Laura Zani
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classification ⚛️ physics.ins-det hep-ex
keywords algorithmbelletracktrack-findingachievealgorithmsb-factorybalance
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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.

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