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Improved Measurement of the $B^{0}_{s}$ lifetime with $D^{-}_{s} l^{+}$ combinations
The lifetime of the Bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different Ds decay modes were reconstructed and combined with an opposite sign lepton as evidence of semileptonic Bs decays. Two hundred and fort...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/397888 |