${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit K}^{-}}$ / ${{\mathit \pi}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$ FORM FACTORS

$\mathit f_{+}(0)\vert \mathit V_{cs}\vert $ in ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{{\mathit \ell}}}}}}$

INSPIRE   JSON  (beta) PDGID:
S032FK0
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 0.7176 \pm0.0018}$ OUR AVERAGE
$0.7179$ $\pm0.0016$ $\pm0.0017$ 191k
ABLIKIM
2024CN
 BES3 ${{\mathit \ell}}={{\mathit e}}$, 2-parameter fit
$0.7162$ $\pm0.0022$ $\pm0.0019$ 148k
ABLIKIM
2024CN
 BES3 ${{\mathit \ell}}={{\mathit \mu}}$, 2-parameter fit
$0.726$ $\pm0.008$ $\pm0.004$
BESSON
2009
CLEO ${{\mathit \ell}}={{\mathit e}}$, 3-parameter fit
• • We do not use the following data for averages, fits, limits, etc. • •
$0.7133$ $\pm0.0038$ $\pm0.0029$ 47k 1
ABLIKIM
2019B
 BES3 ${{\mathit \ell}}={{\mathit \mu}}$, 2-parameter fit
$0.7172$ $\pm0.0025$ $\pm0.0035$ 71k 2, 1
ABLIKIM
2015X
 BES3 ${{\mathit \ell}}={{\mathit e}}$, 2-parameter fit
1  Superseded by ABLIKIM 2024CN.
2  The 3-parameter fit yields $0.7195$ $\pm0.0035$ $\pm0.0041$.
References