Measurement of Branching Fractions and direct CP Violation in B0 → K+π− and B0 
→ π+π− Decays at the Belle II Experiment

Wach, Benedikt

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Measurement of Branching Fractions and direct CP Violation in B0 → K+π− and B0 → π+π− Decays at the Belle II Experiment

MPS-Authors

Wach, Benedikt
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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https://publications.mppmu.mpg.de/2023/MPP-2023-330/FullText.pdf
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Citation

Wach, B. (2023). Measurement of Branching Fractions and direct CP Violation in B0 → K+π− and B0 → π+π− Decays at the Belle II Experiment. PhD Thesis, TU München, München.

Cite as: https://hdl.handle.net/21.11116/0000-000F-118A-2

Abstract

We present measurements of branching fractions and direct CP violation in B0 → K+π- and B0 → π+π- decays. The analyzed data contains (387 ± 6) x 106 B-meson pairs collected with the Belle II detector, using e+e- collisions at the ϒ(4S) resonance provided by the SuperKEKB collider. The values are in agreement with current global averages and are combined with measurements of related B → Kπ transitions to test the Standard Model in a sum rule exploiting isospin symmetry.