SEMILEPTONIC FORM FACTORS

${{\mathit r}_{{{V}}}}{}\equiv$ ${{\mathit V}_{{{2}}}}(0)/{{\mathit V}_{{{1}}}}$(0) in ${{\mathit D}}$ $\rightarrow$ ${{\mathit K}_{{{1}}}{(1270)}}{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}$

INSPIRE   JSON PDGID:
S031RV1
VALUE ($ 10^{-2} $) EVTS DOCUMENT ID TECN  COMMENT
$-4.3$ $\pm1.0$ $\pm2.5$ 2k
ABLIKIM
2025AM
 
BES3 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at $3.773$ GeV
References