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arxiv: 1807.08680 · v4 · pith:OU4LSOPRnew · submitted 2018-07-23 · ✦ hep-ex

The Full Event Interpretation -- An exclusive tagging algorithm for the Belle II experiment

Thomas Keck , Fernandi Abudinen , Florian U. Bernlochner , Racha Cheaib , Sam Cunliffe , Michael Feindt , Torben Ferber , Moritz Gelb
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Jochen Gemmler Pablo Goldenzweig Martin Heck Sohpie Hollitt James Kahn Jo-Frederik Krohn Thomas Kuhr Ilya Komarov Luigi Ligioi Matic Lubej Felix Metzner Markus Prim Christian Pulvermacher Martin Ritter Judith Schwab William Sutcliffe Umberto Tamponi Francesco Tenchini Nadia E. Toutounji Phillip Urquijo Denis Weyland Anze Zupanc
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keywords algorithmeventfullinterpretationbelleexclusiveexperimentmeasurement
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The Full Event Interpretation is presented: a new exclusive tagging algorithm used by the high-energy physics experiment Belle II. The experimental setup of Belle II allows the precise measurement of otherwise inaccessible $B$ meson decay-modes. The Full Event Interpretation algorithm enables many of these measurements. The algorithm relies on machine learning to automatically identify plausible $B$ meson decay chains based on the data recorded by the detector. Compared to similar algorithms employed by previous experiments, the Full Event Interpretation provides a greater efficiency, yielding a larger effective sample size usable in the measurement.

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