LHCb: INSPIRE
| Parameter | Measurement |
|---|---|
| \({\cal{B}} ( \bar{B}^{0} \to J/\psi \phi(1020) )\) | \(1.9 \times 10^{-7}\) |
| \({\cal{B}} ( \bar{B}^{0} \to J/\psi K^{+} K^{-} )\) | \([2.53 \pm 0.31\mbox{ (stat)} \pm 0.19\mbox{ (syst)}] \times 10^{-6}\) |
| \({{\cal{B}} ( \bar{B}^{0} \to J/\psi a_0(980) )\times {\cal{B}} ( a_0(980) \to K^{+} K^{-} )}\) | \(9.0 \times 10^{-7}\) |