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