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Measurement of the decay width difference $\Delta \Gamma_s$ and the CP-violating phase $\phi_s$ in $B_s \to J/\psi \phi(1020)$ decays at CMS
The CP-violating weak phase ϕs and the decay width difference $ΔΓ_s$ of $B_s$ mesons are measured by the CMS experiment at the LHC using a data sample of $B_s \to J/ψ(μ^+μ^−)ϕ(K^+K^−)$ decays. The analysed dataset corresponds to an integrated luminosity of about $20fb^{−1}$ collected in pp collision...
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| Lenguaje: | eng |
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2016
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| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysbps.2015.09.210 http://cds.cern.ch/record/2281427 |