| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1849830 | Nuclear Physics B - Proceedings Supplements | 2007 | 7 Pages |
Abstract
Isospin and flavor SU(3) set stringent bounds on penguin pollution in B0(t)→ρ+ρ−, providing a theoretically precise determination of α≡ϕ2, α=°(91±7exp±3th). Isospin breaking in a sum rule for B→Kπ rates is shown to be suppressed. A similar sum rule holds for CP asymmetries in B→Kπ. Violation of these sum rules would be evidence for an anomalous ΔI=1 piece in Heff.
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