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First observation of $\overline{B}^0 \rightarrow J/\psi K^{+}K^{-}$ and search for $\overline{B}^0 \rightarrow J/\psi \phi$ decays

The first observation of the $\overline{B}^0 \rightarrow J/\psi K^{+}K^{-}$ decay is presented with a data sample corresponding to an integrated luminosity of 1.0 $\rm fb^{-1}$ of $pp$ collisions at a center-of-mass energy of 7 TeV collected with the LHCb detector. The branching fraction is measure...

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Detalles Bibliográficos
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Lenguaje:eng
Publicado: 2013
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.88.072005
http://cds.cern.ch/record/1595651

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