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On puzzles and non-puzzles in B→ππ,πK decays
2007
European Physical Journal C: Particles and Fields
Recently, we have seen interesting progress in the exploration of CP violation in B^0_d -> pi^+ pi^-: the measurements of mixing-induced CP violation by the BaBar and Belle collaborations are now in good agreement with each other, whereas the picture of direct CP violation is still unclear. Using the branching ratio and direct CP asymmetry of B^0_d -> pi^- K^+, this situation can be clarified. We predict A_CP^dir(B_d -> pi^+ pi^-) = -0.24+-0.04, which favours the BaBar result, and extract
doi:10.1140/epjc/s10052-007-0277-8
fatcat:5eeb23axprailfgjkydyvfepgq