ar X iv : h ep - p h / 01 10 31 6 v 2 2 3 D ec 2 00 1 PENGUINS IN B DECAYS
نویسنده
چکیده
We report on recent progress in studying two aspects of B physics, in which penguin amplitudes play an important role: 1. Bounds on penguin pollution in B(t) → ππ constraining the CKM parameters ρ and η, and a lower bound on B → ππ improving precision in sin 2α. 2. A suggestion for measuring the photon polarization in electroweak penguin decay, B → K1(1400)γ, providing a test of the Standard Model and a probe for new physics.
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تاریخ انتشار 2001