Diagnostic for new physics in $B\to \pi K$ decays

Seungwon Baek, Cheng-Wei Chiang, Michael Gronau +2

A recent analysis of $B\to \pi K$ decays concludes that present data do not clearly indicate whether (i) the standard model (or $\Delta I=0$ new physics) is sufficient, or (ii) $\Delta I=1$ new…