Time-Dependent Precision Measurement of $B_s^0\to \varphi {\mu }^{+}{\mu }^{-}$ Decay at FCC-$ee$

Tsz Hong Kwok, Zachary Polonsky, Valeriia Lukashenko +2

We study the feasibility of measuring time-dependent $CP$ violation in the rare flavor-changing neutral current (FCNC) decay $B_s^0\to \varphi (\to K^{+}{K}^{-}){\mu }^{+}{\mu }^{-}$ at…