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BR(Bs to mu+ mu-) as an electroweak precision test
Using an effective-theory approach, we analyze the impact of BR(Bs to mu+ mu-) in constraining new-physics models that predict modifications of the Z-boson couplings to down-type quarks. Under motivated assumptions about the flavor structure of the effective theory, we show that the bounds presently...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2013
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2013.05.054 http://cds.cern.ch/record/1517261 |