Penguins in CP violating B decays

Details Penguins in CP violating B decays Penguins in CP violating B decays

1999-04-14

arxiv.org/abs/hep-ph/9904329v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, invited talk presented at the 17th International Workshop on Weak Interactions and Neutrinos, Cape Town, South Africa

Scientific paper

The role of penguin amplitudes in CP violating $B$ decays is reviewed, emphasizing recent progress in the analysis of electroweak penguin contributions. It is shown how these terms are included in a model-independent manner when measuring the weak phase $\alpha$ in $B\to\pi\pi$ using isospin symmetry, and when determining the phase $\gamma$ from $B\to K\pi$ applying flavor SU(3). Uncertainties due to rescattering effects in $B\to K\pi$ are discussed.

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