PRD 89 012004 (2014)
D0:
INSPIRE
Parameter
Measurement
\(\frac{{\cal{B}} ( B^{-} \to X(4140) K^{-} ) \times {\cal{B}} ( X(4140) \to J/\psi \phi(1020) )}{{\cal{B}} ( B^{-} \to J/\psi \phi(1020) K^{-} )}\)
\([21 \pm 8\mbox{ (stat)} \pm 4\mbox{ (syst)}] \times 10^{-2}\)