${{\boldsymbol \pi}^{\pm}}$ FORM FACTORS

$\boldsymbol R$, SECOND AXIAL-VECTOR FORM FACTOR INSPIRE search

VALUE EVTS DOCUMENT ID TECN  COMMENT
$0.059$ ${}^{+0.009}_{-0.008}$ 98
EGLI
1989
SPEC ${{\mathit \pi}^{+}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit \nu}_{{e}}}{{\mathit e}^{+}}{{\mathit e}^{-}}$
  References:
EGLI 1989
PL B222 533 Measurement of the Decay ${{\mathit \pi}^{+}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit \nu}_{{e}}}{{\mathit e}^{+}}{{\mathit e}^{-}}$ and Search for a Light Higgs Boson