Table 3 Experimental results based on B → D*ℓν after the correction to common inputs and the world average as obtained by HFAG [243].
From: B meson decays
experiment | (1)|V cb | (×10-3) | ρ 2 | Corrstat | Branching fraction(%) |
|---|---|---|---|---|
ALEPH [132] | 31.6 ± 1.8 ± 1.3 | 0.50 ± 0.20 ± 0.09 | 94% | 5.44 ± 0.25 ± 0.20 |
BaBar [244] | 33.9 ± 0.3 ± 1.1 | 1.18 ± 0.05 ± 0.03 | 27% | 4.53 ± 0.04 ± 0.13 |
BaBar [245] | 34.9 ± 0.8 ± 1.4 | 1.11 ± 0.06 ± 0.08 | 90% | 5.40 ± 0.16 ± 0.25 |
BaBar [246] | 35.7 ± 0.2 ± 1.2 | 1.20 ± 0.02 ± 0.07 | 38% | - |
BELLE [125] | 34.7 ± 0.2 ± 1.0 | 1.16 ± 0.04 ± 0.03 | 91% | † |
BELLE [247] | 34.7 ± 0.2 ± 1.0 | 1.16 ± 0.04 ± 0.03 | 91% | 4.75 ± 0.25 ± 0.19 |
CLEO [248] | 41.3 ± 1.3 ± 1.8 | 1.37 ± 0.08 ± 0.18 | 91% | 6.02 ± 0.19 ± 0.20 |
DELPHI(excl) [132] | 36.3 ± 1.8 ± 1.9 | 1.04 ± 0.14 ± 0.15 | 89% | 5.53 ± 0.19 ± 0.34 |
DELPHI(part rec) [132] | 35.8 ± 1.4 ± 2.3 | 1.18 ± 0.13 ± 0.25 | 94% | 5.00 ± 0.15 ± 0.18 |
OPAL(excl) [132] | 36.9 ± 1.6 ± 1.5 | 1.24 ± 0.20 ± 0.14 | 77% | 5.17 ± 0.20 ± 0.38 |
OPAL(par rec) [132] | 37.6 ± 1.2 ± 2.4 | 1.14 ± 0.13 ± 0.27 | 94% | 5.63 ± 0.27 ± 0.43 |
world average | 35.4 ± 0.5 | 1.16 ± 0.05 | 20% | 5.05 ± 0.10 |