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New results on CP violation in $B^0_s$ Mixing from LHCb using the full 1 fb$^{-1}$ of data from the 2011 LHC run (including measurements of $\phi_s$ and $\Delta \Gamma_s$)
The CP violating phase $\phi_s$ can be measured using the interference between the direct and mixed $B^0_s$ decays to a CP eigenstate. Using a sample of about 21200 $B^0_s \to J/\psi \phi$ and 7421 $B^0_s \to J/\psi \pi^+\pi^-$ events we measure the phase $\phi_s$ , the mean decay width differen...
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| Lenguaje: | eng |
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2012
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| Acceso en línea: | http://cds.cern.ch/record/1454810 |