Measurement of time-dependent $CP$ violation in $B^0\to K_S^0{\pi }^0{\pi }^0$ decays

Belle Collaboration, Y. Yusa, H. Aihara +155

We report a measurement of time-dependent $CP$ violation in $B^0\to K_S^0{\pi }^0{\pi }^0$ decays using a data sample of $772\times 10^6$ $B\bar{B}$ pairs collected by the Belle experime…