# ${\boldsymbol m}_{{{\boldsymbol K}^{0}}}–{\boldsymbol m}_{{{\boldsymbol K}^{\pm}}}$ INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ 3.934 \pm0.020}$ OUR FIT  Error includes scale factor of 1.6.
• • • We do not use the following data for averages, fits, limits, etc. • • •
$3.95$ $\pm0.21$ 417
 1968 B
DBC + ${{\mathit K}^{+}}$ ${{\mathit d}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit p}}{{\mathit p}}$
$3.90$ $\pm0.25$ 9
 1965
HBC -
$3.71$ $\pm0.35$ 7
 1965 B
HBC - ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}{{\overline{\mathit K}}^{0}}$
$5.4$ $\pm1.1$
 1959
HBC +
$3.9$ $\pm0.6$
 1959
HBC -
References:
 HILL 1968B
PR 168 1534 Measurement of the ${{\mathit K}^{0}}{{\mathit K}^{+}}$ Mass Difference
 BURNSTEIN 1965
PR 138 B895 New Measurement of the ${{\overline{\mathit K}}^{0}}{{\mathit K}^{-}}$ Mass Difference
 KIM 1965B
PR 140 B1334 Measurement of the ${{\mathit K}^{0}}$ Mass and the ${{\mathit K}^{0}}{{\mathit K}^{-}}$ Mass Difference
 CRAWFORD 1959
PRL 2 112 ${{\mathit K}^{0}}$ $−$ ${{\mathit K}^{+}}$ Mass Excess
 ROSENFELD 1959
PRL 2 110 ${{\overline{\mathit K}}^{0}}$ $−$ ${{\mathit K}^{-}}$ Mass Excess