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

INSPIRE   PDGID:

S020DL

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 81.766 \pm0.030}$ OUR FIT  Error includes scale factor of 1.2. $\bf{ 81.69 \pm0.07}$ OUR AVERAGE $81.64$ $\pm0.09$ 2279 HEPP 1968 HBC $81.80$ $\pm0.13$ 85 SCHMIDT 1965 HBC See note with ${{\mathit \Lambda}}$ mass $81.70$ $\pm0.19$ BURNSTEIN 1964 HBC

References:

HEPP 1968 ZPHY 214 71 A New Determination of the Capture Ratio $_{c}$ = ${ {{\mathit \Sigma}^{-}} {{\mathit p}} \rightarrow {{\mathit \Sigma}^{0}} {{\mathit n}} \over ( {{\mathit \Sigma}^{-}} {{\mathit p}} \rightarrow {{\mathit \Sigma}^{0}} {{\mathit n}} )+( {{\mathit \Sigma}^{-}} {{\mathit p}} \rightarrow {{\mathit \Lambda}} {{\mathit n}} )}$, the ${{\mathit \Lambda}}$-Lifetime and ${{\mathit \Sigma}^{-}}{{\mathit \Lambda}}$ Mass Difference SCHMIDT 1965 PR 140 B1328 Precise Hyperon Masses BURNSTEIN 1964 PRL 13 66 New Determination of the Masses of ${{\mathit \Sigma}^{-}}$ and ${{\mathit \Sigma}^{0}}$ Hyperons