Bonn 2020 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 14: Experimental methods I
T 14.3: Vortrag
Montag, 30. März 2020, 17:05–17:20, H-HS XV
Combinatorial Kalman Filter for the Belle II Experiment — Florian Bernlochner1, Jochen Dingfelder1, Alexander Glazov2, Simon Kurz2, and •Christian Wessel1 for the Belle II collaboration — 1Physikalisches Institut, Rheinische Friedrich-Wilhelms-Universität Bonn — 2Deutsches Elektronen-Synchrotron DESY
Kalman filters are a widely used tool in HEP to identify charged particle trajectories with a high efficiency and purity. The Belle II Combinatorial Kalman Filter (CKF) implementation is instrumental in achieving the physics goals of the experiment and is successfully being used in first emerging physics measurements. In this talk, I will summarize the key elements of the CKF implementation, show first results with data and give an outlook on future optimizations and extensions we have been working on.