Table 8 Partial and total branching fractions, in units of 10-4, for the decay B → πℓ+νℓ.
From: B meson decays
Experiment | total | q2 > 16 GeV2 | Method |
|---|---|---|---|
CLEO [170] | 1.37 ± 0.15 ± 0.11 | 0.41 ± 0.08 ± 0.04 | Untagged Analysis |
BaBar [171] | 1.46 ± 0.07 ± 0.08 | 0.38 ± 0.04 ± 0.04 | Untagged Analysis |
Belle [172] | 1.38 ± 0.19 ± 0.14 ± 0.03 | 0.36 ± 0.10 ± 0.04 ± 0.01 | B→ D(*)ℓν Tag |
Belle†[254] | 1.49 ± 0.26 ± 0.06 | 0.31 ± 0.12 ± 0.01 | B0 → π-ℓ+νℓ (hadron tags) |
Belle†[254] | 1.53 ± 0.20 ± 0.06 | 0.39 ± 0.12 ± 0.02 | Combined B0 and B+ tags |
BaBar [173] | 1.33 ± 0.17 ± 0.11 | 0.46 ± 0.10 ± 0.06 | Combined B0 and B+ tags |
combined [243] | 1.34 ± 0.06 ± 0.05 | 0.37 ± 0.03 ± 0.02 | HFAG ICHEP08 |