Measurements of the branching fractions for $B\to K^{\ast }\gamma$ decays at Belle II

F. Abudinén, I. Adachi, R. Adak +565

This paper reports a study of $B\to K^{\ast }\gamma$ decays using $62.8\pm 0.6$ fb${}^{-1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+}{e}^{-}$ asymm…