Experimental status and prospects of the "Kpi puzzle"
Abstract
We present a summary of the latest measurements of branching fractions and direct CP violations in the charmless hadronic two-body B decays B -> K+ pi-, K+ pi0, K0 pi+ and K0 pi0, performed by the Belle, BABAR, CDF and CLEO experiments. The interpretations and the future prospects about discrepancies, called "Kpi puzzle", between theoretical expectations and measurements are discussed.
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