CMS: INSPIRE
| Parameter | Measurement |
|---|---|
| \(\frac{{\sigma(B_c^{-}) \times \cal{B}} ( B_c^{-} \to J/\psi \pi^{-} )} {\sigma(B^{-}) \times {\cal{B}} ( B^{-} \to J/\psi K^{-} )}\) | \([0.48 \pm 0.05\mbox{ (stat)} \pm 0.04\mbox{ (syst)} \pm 0.05\mbox{ (tau_Bc)}] \times 10^{-2}\) |
| \(\frac{{\cal{B}} ( B_c^{-} \to J/\psi \pi^{+} \pi^{-} \pi^{-} )} {{\cal{B}} ( B_c^{-} \to J/\psi \pi^{-} )}\) | \([2.55 \pm 0.80\mbox{ (stat)} \pm 0.33\mbox{ (syst)} ^{+0.04}_{-0.01}\mbox{ (tau_Bc)}]\) |