Experiment
Measurement
Reference
LHCb
\([2.01 \pm 0.37\mbox{ (stat)} \pm 0.20\mbox{ (syst)}] \times 10^{0}\)
PRD 84 092001 (2011), Erratum: PRD 85 039904 (2012)
Average
\(\mathbf{[2.01 \pm 0.42\mbox{ (combined)}] \times 10^{0}}\)
