LHCb: INSPIRE
| Parameter | Measurement |
|---|---|
| \(\frac{{\cal{B}} ( B^{-} \to X(4140) K^{-} ) \times {\cal{B}} ( X(4140) \to J/\psi \phi(1020) )}{{\cal{B}} ( B^{-} \to J/\psi \phi(1020) K^{-} )}\) | \([0.130 \pm 0.032\mbox{ (stat)} ^{+0.047}_{-0.020}\mbox{ (syst)}]\) |
| \(\frac{{\cal{B}} ( B^{-} \to X(4274) K^{-} ) \times {\cal{B}} ( X(4274) \to J/\psi \phi(1020) )}{{\cal{B}} ( B^{-} \to J/\psi \phi(1020) K^{-} )}\) | \([0.071 \pm 0.025\mbox{ (stat)} ^{+0.035}_{-0.024}\mbox{ (syst)}]\) |