Is There Still a B -> pi K Puzzle?
arXiv:hep-ph/0701181 · doi:10.1016/j.physletb.2007.08.001
Abstract
We perform a fit to the 2006 B -> pi K data and show that there is a disagreement with the standard model. That is, the B -> pi K puzzle is still present. In fact, it has gotten worse than in earlier years. Assuming that one new-physics (NP) operator dominates, we show that a good fit is obtained only when the electroweak penguin amplitude is modified. The NP amplitude must be sizeable, with a large weak phase.
4 pages, revtex, no figures. References changed; analysis and conclusions unaltered