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Volume 377 - 18th International Conference on B-Physics at Frontier Machines (Beauty2019) - B -> s l l
$B\rightarrow K^{(\ast)}ll$ (and$B\rightarrow X_{s}\gamma$) measurements at Belle
S. Watanuki
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Pre-published on: 2020 February 25
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We report on recent measurements of flavor-changing-neutral-current $b\rightarrow s$ transitions at Belle experiment. The measure ments on lepton universality tests using $B\rightarrow K^{(\ast)}l^{+}l^{-}$ and measurements of the CP asymmetry difference ($\Delta A_{CP}$) and isospin asymmetry ($\Delta_{0-}$) using sum of exclusive $B\rightarrow X_{s}\gamma$ are reviewed. All of the measurements are performed on the full data $711fb^{-1}$ sample recorded by Belle experiment at the $\Upsilon(4S)$ resonance.
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