Two is better than one: The U-spin-CP anomaly in charm

Rigo Bause, Hector Gisbert, Gudrun Hiller +3

The recent measurement of the CP-asymmetry in the decay $D\to K^{+}{K}^{-}$ by LHCb, combined with $\Delta A_{\text{CP}}$, evidences a sizable CP-asymmetry in $D\to {\pi }^{+}{\pi }^{-}$ decays, which r…