SEMILEPTONIC FORM FACTORS

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

INSPIRE   JSON  (beta) PDGID:
S031FE1
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ -5.3 \pm2.7}$ OUR AVERAGE  Error includes scale factor of 1.9.
$-7.33$ $\pm1.69$ $\pm0.40$ 373
ABLIKIM
2018R
 BES3 z expansion
$-1.83$ $\pm2.23$ $\pm0.28$
YELTON
2011
CLEO z expansion
References