Measurement of the angular and lifetime parameters of the decays $B^0_{d} \to J/\psi K^{*0}$ and $B^0_{s} \to J/\psi \phi$
(2009) Physical Review Letters — Vol. 102 (2009)
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- Abstract
- We present measurements of the linear polarization amplitudes and the strong relative phases that describe the flavor-untagged decays $B_{d}^{0}\to J/\psi K^{*0}$ and $B_{s}^{0}\to J/\psi\phi$ in the transversity basis. We also measure the mean lifetime $\bar{\tau}_{s}$ of the $B_{s}^{0}$ mass eigenstates and the lifetime ratio $\bar{\tau}_{s}/\tau_{d}$. The analyses are based on approximately 2.8 fb$^{-1}$ of data marc:recorded with the D0 detector. From our measurements of the angular parameters we conclude that there is no evidence for a deviation from flavor SU(3) symmetry for these decays and that the factorization assumption is not valid for the $B_{d}^{0}\to J/\psi K^{*0}$ decay.
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Tanasijczuk, A. J., D0, & et al. (2009). Measurement of the angular and lifetime parameters of the decays $B^0_{d} \to J/\psi K^{*0}$ and $B^0_{s} \to J/\psi \phi$. Physical Review Letters, 102. https://doi.org/10.1103/PhysRevLett.102.032001 (Original work published 2009)