Search for the Decay $B_s^0\to {\eta }^{\prime }\eta$

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_s^0\to {\eta }^{\prime }\eta$ using $121.4{\text{fb}}^{-1}$ of data collected at the ${\rm Y}(5S)$ resonance with the Belle dete…