#### ${{\mathit \Sigma}^{-}}$ MAGNETIC MOMENT

See the “Quark Model” review. Measurements with an error ${}\geq{}0.3$ ${\mathit \mu}_{{{\mathit N}}}$ have been omitted.
VALUE ($\mu _{\mathit N}$) EVTS DOCUMENT ID TECN  COMMENT
 $\bf{ -1.160 \pm0.025}$ OUR AVERAGE  Error includes scale factor of 1.7. See the ideogram below.
$-1.105$ $\pm0.029$ $\pm0.010$
 1988
CNTR ${{\mathit \Sigma}^{-}}{}^{}\mathrm {Pb}$, ${{\mathit \Sigma}^{-}}{}^{}\mathrm {W}$ atoms
$-1.166$ $\pm0.014$ $\pm0.010$ 671k
 1986
SPEC ${{\mathit n}}{{\mathit e}^{-}}{{\mathit \nu}}$ , ${{\mathit n}}{{\mathit \pi}^{-}}$ decays
$-1.23$ $\pm0.03$ $\pm0.03$
 1985
CNTR ${{\mathit p}}$ ${}^{}\mathrm {Cu}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}$ X
• • We do not use the following data for averages, fits, limits, etc. • •
$-0.89$ $\pm0.14$ 516k
 1983
SPEC ${{\mathit p}}$ ${}^{}\mathrm {Be}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}$ X

${{\mathit \Sigma}^{-}}$ magnetic moment ($\mu _{\mathit N}$)
References:
 HERTZOG 1988
PR D37 1142 Exotic-Atom Measurement of the Magnetic Dipole Moment of the ${{\mathit \Sigma}^{-}}$ Hyperon
 ZAPALAC 1986
PRL 57 1526 A Measurement of the ${{\mathit \Sigma}^{-}}$ Magnetic Moment using the ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}$ and ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}$ Decay Modes
 WAH 1985
PRL 55 2551 Measurement of ${{\mathit \Sigma}^{-}}$ Production Polarization and Magnetic Moment
 DECK 1983
PR D28 1 Polarization and Magnetic Moment of the ${{\mathit \Sigma}^{-}}$ Hyperon