SEMILEPTONIC FORM FACTORS

$\mathit r_{1}{}\equiv\mathit a_{1}/\mathit a_{0}$ in ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$

INSPIRE   JSON  (beta) PDGID:
S031FP1
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ -2.00 \pm0.13}$ OUR AVERAGE
$-2.01$ $\pm0.13$ $\pm0.02$
ABLIKIM
2017S
 BES3 ${{\mathit \pi}^{0}}{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}$ 2-parameter fit
$-1.37$ $\pm0.88$ $\pm0.24$
BESSON
2009
CLEO ${{\mathit \pi}^{0}}{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}$ 3-parameter fit
References