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The Rare Decays $K \to \pi \nu \overline{\nu}$, $B \to X\nu \overline{\nu}$ and $B \to l^{+}l^{-}: an Update
We update the Standard Model predictions for the rare decays $K^+\to\pi^+\nu\bar\nu$ and $K_L\to\pi^0\nu\bar\nu$. In view of improved limits on $B_s$--$\bar B_s$ mixing we derive a stringent and theoretically clean Standard Model upper limit on $B(K^+\to\pi^+\nu\bar\nu)$, which is based on the ratio...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1999
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(99)00149-2 http://cds.cern.ch/record/376481 |