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$B o pi pi$ decays: branching ratios and CP asymmetries | A.B. Kaidalov
; M.I.Vysotsky
; | Date: |
2 Mar 2006 | Abstract: | Theoretically motivated smallness of the penguin amplitude in $B o pi pi$ decays allowes to calculate the value of the unitarity triangle angle $alpha (phi_2)$ with good accuracy. The relatively large branching ratio of the decay into $pi^0 pi^0$ is explained by the large value of FSI phase difference between $Delta I = 1/2$ and $Delta I = 3/2$ tree amplitudes. | Source: | arXiv, hep-ph/0603013 | Services: | Forum | Review | PDF | Favorites |
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