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 r...

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Veröffentlicht in:	arXiv.org 2021-11
Hauptverfasser:	Bertacchi, Valerio, Bilka, Tadeas, Braun, Nils, Casarosa, Giulia, Corona, Luigi, Cunliffe, Sam, Dattola, Filippo, De Marino, Gaetano, De Nuccio, Michael, De Pietro, Giacomo, Thanh Van Dong, Dujany, Giulio, Ecker, Patrick, Eliachevitch, Michael, Fillinger, Tristan, Frost, Oliver, Fruehwirth, Rudolf, Gebauer, Uwe, Glazov, Alexander, Gosling, Nicolas, Guo, Aiqiang, Hauth, Thomas, Heck, Martin, Kaleta, Mateusz, Kandra, Jakub, Kleinwort, Claus, Kuhr, Thomas, Kurz, Simon, Kvasnicka, Peter, Lettenbichler, Jakob, Lueck, Thomas, Martini, Alberto, Metzner, Felix, Neverov, Dmitrii, Niebuhr, Carsten, Paoloni, Eugenio, Patra, Sourav, Piilonen, Leo, Praz, Cyrille, Markus Tobias Prim, Pulvermacher, Christian, Racs, Sebastian, Rad, Navid, Rados, Petar, Ritter, Martin, Rizzo, Giuliana, Rostomyan, Armine, Scavino, Bianca, Schlueter, Tobias, Schwenker, Benjamin, Spataro, Stefano, Spruck, Bjoern, Svidras, Henrikas, Tenchini, Francesco, Uematsu, Yuma, Webb, James, Wessel, Christian, Zani, Laura
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Charged particles Physics - High Energy Physics - Experiment Physics - Instrumentation and Detectors
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Beschreibung
Zusammenfassung:	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.
ISSN:	2331-8422
DOI:	10.48550/arxiv.2003.12466