Measurements in charmless $B$ decays at Belle II
Riccardo Manfredi (for the Belle II collaboration)
TL;DR
This paper presents preliminary measurements of key decay properties in charmless B meson decays at Belle II, demonstrating early detector performance and consistency with existing data.
Contribution
First measurements of branching fractions, CP asymmetries, and polarization in charmless B decays at Belle II using 2019-2020 data.
Findings
Results are compatible with known values.
Indicates good understanding of early detector performance.
Provides baseline measurements for future studies.
Abstract
We report on preliminary measurements of branching fractions, charge-parity-violating asymmetries, and longitudinal polarization fractions in charmless bottom-meson decays from the Belle~II experiment. We use samples of electron-positron collisions collected in 2019 and 2020 at the resonance, corresponding to integrated luminosities of up to 62.8 . The results are compatible with known values, indicating good understanding of early detector performance.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research