PRD94 091102 (2016)

Parameter	Measurement
\({\frac{\sigma(B_c^{-})}{\sigma(B^{-})}} \times {\cal{B}} ( B_c^{-} \to \chi_{c0} \pi^{-} )\)	\([9.8 ^{+3.4}_{-3.0}\mbox{ (stat)} \pm 0.8\mbox{ (syst)}] \times 10^{-6}\)