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Etude du mélange $B^{0}_s- \overline{B^{0}_s}$ dans l'expérience ALEPH au LEP
A search for $B^0_s$ oscillations is performed in a sample of semileptonic $B$ hadron decays collected by the ALEPH experiment during 1991--1995. Compared to previous inclusive analyses, the proper time resolution and mesons flavour tagging are significantly improved. In addition, subsamples of the...
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| Lenguaje: | fre |
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CERN
1998
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| Acceso en línea: | http://cds.cern.ch/record/384130 |