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Search for $B^0_s \to \mu^+ \mu^-$ and $B^0_d \to \mu^+ \mu^-$
Within the Standard Model (SM), the two flavour changing neutral current transitions, $B^0_s \to \mu^+ \mu^-$ and $B^0_d \to \mu^+ \mu^-$, occur only via loop diagrams and are helicity suppressed. These processes are therefore very rare with branching fractions ($\mathcal{B}$) predictions [1] of $\m...
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| Lenguaje: | eng |
| Publicado: |
2011
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| Acceso en línea: | http://cds.cern.ch/record/1399094 |