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First observation of the decay $\bar{B}^0_s \to D^0 K^{*0}$ and measurement of the ratio of branching fractions $\frac{\mathcal{B}(\bar{B}^0_s \to D^0 K^{*0})}{\mathcal{B}(\bar{B}^0 \to D^0\rho^0)}$ with the LHCb experiment at $\sqrt{s}$ = 7 TeV

In 36 pb$^{-1}$ of $pp$ collisions at a centre-of-mass energy $\sqrt{s}$ = 7 TeV, we observe for the first time the decay $\bar{B}^0_s \to D^0 K^{*0}$. The $\bar{B}^0_s \to D^0 K^{*0}$ decay mode is a potentially dangerous background for the Cabibbo suppressed decay $B^0 \to \bar{D}^0 K^{*0}$ used i...

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Detalles Bibliográficos
Autor principal: Martens, A
Lenguaje:eng
Publicado: 2011
Acceso en línea:http://cds.cern.ch/record/1338546