Volume 414 -
41st International Conference on High Energy physics (ICHEP2022) -
Quark and Lepton Flavour Physics
Recent Belle II results on electroweak penguins
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Pre-published on:
December 07, 2022
Published on:
June 15, 2023
Abstract
We report on the recent measurements of electroweak and radiative penguin $B$ decays at the Belle II experiment. We use samples of electron-positron collisions collected at the $\Upsilon(4S)$ resonance. We present the measurement of the branching fractions of $B^{+/0}\to K^*(892)^{+/0}\ell^+\ell^-~(\ell=e, \mu)$, $B^{+/0}\to K^{+/0}J/\psi$, and $B^{+/0}\to X_s\gamma$ decays in the data corresponding to 189 fb$^{-1}$ of integrated luminosity. We also present a search of $B^+\to K^+\nu\bar\nu$ decay in the data corresponding to 63 fb$^{-1}$ of integrated luminosity.
DOI: https://doi.org/10.22323/1.414.0743
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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.