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The contribution of $B_c$ mesons to the search for $B^{+} \to \tau^{+}\nu_{\tau}$ decays at LEP
We study the contribution of B_c mesons to the search for B->tau nu decays. We find that at LEP the contributions from B_u and B_c mesons can be comparable. This observation can have a relevant impact on the extraction of constraints on new physics (such as charged-Higgs contributions) from curre...
Autores principales: | , |
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Lenguaje: | eng |
Publicado: |
1997
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(97)00953-2 http://cds.cern.ch/record/329523 |