CP asymmetries in charged meson decay to two pions

Yuval Grossman, Zoltan Ligeti, Yosef Nir

We study the CP asymmetries in $B^{+}$, $D^{+}$, and $K^{+}$ decays into ${\pi }^{+}{\pi }^0$. These asymmetries are commonly known to vanish in the isospin limit. We clarify what is meant by the te…