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${{\mathit \Sigma}^{0}}$
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${\mathit m}_{{{\mathit \Sigma}^{0}}}{\mathit m}_{{{\mathit \Lambda}}}$
${\boldsymbol m}_{{{\boldsymbol \Sigma}^{0}}}{\boldsymbol m}_{{{\boldsymbol \Lambda}}}$
INSPIRE search
VALUE
(MeV)
EVTS
DOCUMENT ID
TECN
COMMENT
$\bf{ 76.959 \pm0.023}$
OUR FIT
$76.966$ $\pm0.020$ $\pm0.013$
3327
WANG
1997
SPEC
${{\mathit \Sigma}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \gamma}}$ $\rightarrow$ ( ${{\mathit p}}{{\mathit \pi}^{-}}$) ( ${{\mathit e}^{+}}{{\mathit e}^{-}}$)
• • • We do not use the following data for averages, fits, limits, etc. • • •
$76.23$ $\pm0.55$
109
COLAS
1975
HLBC
${{\mathit \Sigma}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \gamma}}$
$76.63$ $\pm0.28$
208
SCHMIDT
1965
HBC
See note with ${{\mathit \Lambda}}$ mass
References:
WANG
1997
PR D56 2544
A Precise Measurement of the ${{\mathit \Sigma}^{0}}$ Mass
COLAS
1975
NP B91 253
Search for Electromagnetic Decays of Neutral Hyperons in the $1210 - 1500$ MeV Mass Range and of Neutral Mesons in the $150 - 600$ MeV Mass Range
SCHMIDT
1965
PR 140 B1328
Precise Hyperon Masses