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Measurement of the CP-violating phase $\phi_s$ in $B_s^0 \rightarrow J/\psi \left(\mu^+\mu^-\right) + \phi\left(K^+K^-\right)$ decays
The CP violating phase $\phi_s$ arises from the interference between the $B_s^0$ direct decays and decays with the $B_s^0 - \bar{B_s^0}$ mixing. The $\phi_s$ is defined as the weak phase difference between $B_s^0- \bar{B_s^0}$ mixing amplitude and $b \rightarrow c \bar{c} s$ decay amplitude and it i...
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| Lenguaje: | eng |
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2020
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| Acceso en línea: | http://cds.cern.ch/record/2706025 |