LHCb: INSPIRE
| Parameter | Measurement |
|---|---|
| \(\frac{{\cal{B}} ( B^{-} \to \eta_c K^{-} ) \times {\cal{B}} ( \eta_c \to p\bar{p} ) }{ {\cal{B}} ( B^{-} \to J/\psi K^{-} ) \times {\cal{B}} ( J/\psi \to p\bar{p} )}\) | \([0.578 \pm 0.035\mbox{ (stat)} \pm 0.027\mbox{ (syst)}]\) |
| \(\frac{{\cal{B}} ( B^{-} \to \psi(2S) K^{-} ) \times {\cal{B}} ( \psi(2S) \to p\bar{p} ) }{ {\cal{B}} ( B^{-} \to J/\psi K^{-} ) \times {\cal{B}} ( J/\psi \to p\bar{p} )}\) | \([0.080 \pm 0.012\mbox{ (stat)} \pm 0.009\mbox{ (syst)}]\) |