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Measurements of $BR(b \to \tau^{-}\overline{\nu}_{\tau}X)$ and $BR(b \to \tau^{-}\overline{\nu}_{\tau}D^{*\pm}X)$ and upper limits on $BR(B^{-} \to \tau^{-}\overline{\nu}_{\tau})$ and $BR(b \to s\nu\overline{\nu})$
Using the LEP I ALEPH data the branching ratio BR(b->tau nu X) is measured. The branching ratio BR(b->tau nu D*+-(X)) is also measured and 90§onfidence level limits are established for BR(B- ->tau nu) and BR(b ->s nu nu). These measurements allow to set a 90xonfidence level constraint on...
Autores principales: | Bosman, M, Delfino, M C, Pascual, A, Perrodo, P |
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Lenguaje: | eng |
Publicado: |
1998
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/403599 |
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