ExperimentMeasurementReference
Belle\([11.8 ^{+2.2}_{-2.0}\mbox{ (stat)} \pm 1.7\mbox{ (syst)} \pm 1.8\mbox{ (fs)}] \times 10^{-3}\)PRL 104, 231801 (2010)
Average \(\mathbf{[11.8 ^{+3.3}_{-3.2}\mbox{ (combined)}] \times 10^{-3}}\)