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${\mathit m}_{{{\mathit \Sigma}^{-}}}–{\mathit m}_{{{\mathit \Sigma}^{+}}}$

INSPIRE   PDGID:

S020D

VALUE (MeV) EVTS DOCUMENT ID TECN $\bf{ 8.08 \pm0.08}$ OUR FIT  Error includes scale factor of 1.9. $\bf{ 8.09 \pm0.16}$ OUR AVERAGE $7.91$ $\pm0.23$ 86 BOHM 1972 EMUL $8.25$ $\pm0.25$ 2500 DOSCH 1965 HBC $8.25$ $\pm0.40$ 87 BARKAS 1963 EMUL

References:

BOHM 1972 NP B48 1 Determination of the Masses of the Charged ${{\mathit \Sigma}}$ Hyperons Also IIHE-73.2 Nov A Determination of the Masses of the Charged ${{\mathit \Sigma}}$ Hyperons $−$ a Reevaluation DOSCH 1965 PL 14 239 The Mass Difference of the ${{\mathit \Sigma}}$ Hyperons Also PR 151 1081 ${{\mathit \Sigma}^{\pm}}$ Lifetime and the Branching Ratio Br(${{\mathit \Sigma}^{+}}$) = ( ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit n}}$ )/( ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ) BARKAS 1963 PRL 11 26 Resolution of the ${{\mathit \Sigma}^{-}}$-Mass Anomaly Also Thesis UCRL 9450 Charged ${{\mathit \Sigma}}$-Hyperon Production and Decay: Energetics, Lifetimes, and Branching Ratios