${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}^{-}}$ $/$ ${{\mathit \rho}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$ FORM FACTORS

r$_{2}{}\equiv$ A$_{2}(0)/A_{1}$(0) in ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$

INSPIRE   JSON  (beta) PDGID:
S032FR2
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 0.72 \pm0.04}$ OUR AVERAGE
$0.76$ $\pm0.06$ $\pm0.02$ 6.4k
ABLIKIM
2025
BES3 ${{\mathit K}^{*}{(892)}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{{\mu}}}}$
$0.67$ $\pm0.06$ $\pm0.01$ 3k
ABLIKIM
2019G
BES3 ${{\mathit K}^{*}{(892)}^{-}}{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}$
$0.91$ $\pm0.37$ $\pm0.10$
LINK
2005B
FOCS ${{\mathit K}^{*}{(892)}^{-}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{{\mu}}}}$
References