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Revisiting the annihilation decay $\bar{B}_{s} \to \pi^+\pi^{-}$
It is very important to know the strength of the annihilation contribution in B charmless non-leptonic decays. The B/sub s /macronrightward arrowpi/sup positive pi; /sup negative process could serve as a good probe of the strength. We have studied the process in the QCD factorization framework. Usin...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2005-02364-0 http://cds.cern.ch/record/1004826 |