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Measurement of the ${B^0_s \to \phi \phi}$ branching fraction and angular analysis of ${B^0_{(s)} \to \phi \pi^{+}\pi^{-}}$.
Using 3~fb$^{-1}$ of $pp$ collisions collected by the LHCb detector at $\sqrt{s} = 7$ and 8~TeV, the $B_s^0 \to \phi \phi$ branching fraction is measured to be \[ \mathcal{B}(B^0_s \to \phi \phi) = \left[ 1.84 \pm 0.05 (\mathrm{stat}) \pm 0.07 (\mathrm{syst}) \pm 0.11 (f_s/f_d) \pm 0.12 (\mathrm{nor...
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Lenguaje: | eng |
Publicado: |
2016
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Acceso en línea: | http://cds.cern.ch/record/2137997 |