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The factorizable amplitude in $B^0 \to \pi^+ \pi^-$
Using the measured spectrum shape for $B \to \pi \ell \nu$, the rate for $B^+ \to \pi^+ \pi^0$, information on the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $|V_{ub}|$, and theoretical inputs from factorization and lattice gauge theory, we obtain an improved estimate of the ``tree'' c...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.68.074010 http://cds.cern.ch/record/618161 |