JHEP 03 (2016) 040
LHCb:
INSPIRE
Parameter
Measurement
\(\frac {{\cal{B}} ( \bar{B}^{0}_s \to J/\psi \phi(1020) \phi(1020) )} { {\cal{B}} ( \bar{B}^{0}_s \to J/\psi \phi(1020) )}\)
\([0.0115 \pm 0.0012\mbox{ (stat)} ^{+0.0005}_{-0.0009}\mbox{ (syst)}]\)