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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Bibliographic Details
Published in:Computer physics communications 2021-02, Vol.259, p.107610, Article 107610
Main Authors: Bertacchi, Valerio, Bilka, Tadeas, Braun, Nils, Casarosa, Giulia, Corona, Luigi, Cunliffe, Sam, Dattola, Filippo, De Marino, Gaetano, De Nuccio, Michael, De Pietro, Giacomo, Van Dong, Thanh, Dujany, Giulio, Ecker, Patrick, Eliachevitch, Michael, Fillinger, Tristan, Frost, Oliver, Frühwirth, Rudolf, Gebauer, Uwe, Glazov, Sasha, 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, Prim, Markus Tobias, Pulvermacher, Christian, Racs, Sebastian, Rad, Navid, Rados, Petar, Ritter, Martin, Rizzo, Giuliana, Rostomyan, Armine, Scavino, Bianca, Schlüter, Tobias, Schwenker, Benjamin, Spataro, Stefano, Spruck, Björn, Svidras, Henrikas, Tenchini, Francesco, Uematsu, Yuma, Webb, James, Wessel, Christian, Zani, Laura
Format: Article
Language:English
Subjects:
Belle II
Tracking algorithms
Tracking detectors
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Summary: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:0010-4655
1879-2944
DOI:10.1016/j.cpc.2020.107610