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

VECTOR FORM FACTOR SLOPE PARAMETER $\mathit a$

INSPIRE   JSON  (beta) PDGID:
S008FSV
This is $\mathit a$ in $\mathit F_{V}$(q${}^{2}$) = $\mathit F_{V}$(0) (1 + $\mathit a$ q${}^{2}$)
VALUE EVTS DOCUMENT ID TECN  COMMENT
$0.10$ $\pm0.06$ 65k
BYCHKOV
2009
PIBE ${{\mathit e}^{+}}{{\mathit \nu}}{{\mathit \gamma}}$ at rest
References