Measurement of the branching fractions of $B\toη' K$ decays using 2019/2020 Belle II data
F. Abudinén, I. Adachi, R. Adak, K. Adamczyk et autres
This note describes the rediscovery of $B\toη' K$ decays in Belle II data, both in the charged and neutral final state: $B_0\toη' K_S$ and $B^\pm\toη' K^\pm$. The $η'$ is searched for in two decay modes: $η'\toηπ^+π^-$ with $η\toγγ$, and $η'\toργ$. The analysis …
fr (code pays fourni par la source)
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arXiv (Cornell University)