PRD 85, 091103(R) (2012)
LHCb:
INSPIRE
Parameter
Measurement
\(\frac{{\cal{B}} ( B^- \to X(4140) K^- ) \times {\cal{B}} ( X(4140) \to J/\psi \phi )}{{\cal{B}} ( B^- \to J/\psi \phi K^- )}\)
\(0.07\)