${{\boldsymbol \Sigma}^{-}}$ CHARGE RADIUS INSPIRE search

VALUE (fm) DOCUMENT ID TECN  COMMENT
$0.780$ $\pm0.080$ $\pm0.060$ 1
ESCHRICH
2001
SELX ${{\mathit \Sigma}^{-}}$ ${{\mathit e}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit e}}$
1  ESCHRICH 2001 actually gives $\langle{}\mathit r{}^{2}\rangle{}$ = ($0.61$ $\pm0.12$ $\pm0.09$) fm${}^{2}$.
  References:
ESCHRICH 2001
PL B522 233 Measurement of the ${{\mathit \Sigma}^{-}}$ Charge Radius by ${{\mathit \Sigma}^{-}}$ Electron Elastic Scattering