Evidence for the suppressed decay B^- -> DK^-, D -> K^+π^-π^0

Belle Collaboration, M. Nayak, J. Libby +158

We report a study of the suppressed decay B^- -> DK^-, D -> K^+π^-π^0, where D denotes either a D^0 or a \bar{D}^0 meson. The decay is sensitive to the CP-violating parameter ϕ_3.…