Evidence for $D^0-{\bar{D}}^0$ Mixing

Belle Collaboration, M. Staric

We observe evidence for $D^0-{\bar{D}}^0$ mixing by measuring the difference in apparent lifetime when a $D^0$ meson decays to the CP eigenstates $K^{+}{K}^{-}$ and ${\pi }^{+}{\pi }^{-}$, and when it…