PoS - Proceedings of Science
Volume 445 - 21st Conference on Flavor Physics and CP Violation (FPCP2023) - Parallel session A
Recent Belle II results on radiative and electroweak penguin decays
J. Cerasoli* and  On behalf of the BELLE II collaboration
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Pre-published on: September 25, 2023
Published on: November 14, 2023
Radiative and electroweak penguin decays are excellent probes for new physics, since they are forbidden at tree level in the Standard Model, and hence any deviation from their predicted branching fractions would be a clear sign of physics processes not accounted for by the theory. In this paper, recent results on radiative and electroweak penguin decays at the Belle II experiment are reported. The results are obtained with a dataset corresponding to an integrated luminosity of $189 \text{ fb}^{−1}$, and include measurements of $B \to X_s \gamma$, $B \to J/\psi(l^+l^-)K$ and $B \to K^*l^+l^-$ decays.
DOI: https://doi.org/10.22323/1.445.0055
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