SEMILEPTONIC FORM FACTORS

$\mathit f{}^{{{\mathit \eta}^{\,'}}}_{+}(0)\vert \mathit V_{cd}\vert $ in ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$ (${{\mathit \ell}}$ = ${{\mathit e}}$, ${{\mathit \nu}}$)

INSPIRE   JSON PDGID:
S031A34
VALUE ($ 10^{-2} $) EVTS DOCUMENT ID TECN  COMMENT
$5.92$ $\pm0.56$ $\pm0.13$ 0.24k 1
ABLIKIM
2025AO
 
BES3 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at 3.773 GeV
1  Uses a two-parameter series expansion for the form factor parametrization .
References