We report on the first measurements of branching fractions, CP-violating charge asymmetries,
and longitudinal polarization fractions in charmless $B$ decays at the Belle II experiment. We use a sample of electron-positron collisions collected in 2019 and 2020 at the $\Upsilon(4S)$ resonance that corresponds to 34.6 fb$^{−1}$ of integrated luminosity. The results are compatible with the known values, which indicates a good understanding of detector performance.
Volume 390 -
40th International Conference on High Energy physics (ICHEP2020) -
Parallel: Quark and Lepton Flavour Physics
Early charmless B physics at Belle II
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Pre-published on:
February 09, 2021
Published on:
April 15, 2021
Abstract
DOI: https://doi.org/10.22323/1.390.0374
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.