${{\mathit K}^{0}}$ MASS

INSPIRE   PDGID:
S011M
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 497.611 \pm0.013}$ OUR FIT  Error includes scale factor of 1.2.
$\bf{ 497.611 \pm0.013}$ OUR AVERAGE  Error includes scale factor of 1.2.
$497.607$ $\pm0.007$ $\pm0.015$ 261k 1
TOMARADZE
2014
${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit X}}$
$497.583$ $\pm0.005$ $\pm0.020$ 35k
AMBROSINO
2007B
KLOE ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$
$497.625$ $\pm0.001$ $\pm0.031$ 655k
LAI
2002
NA48 ${{\mathit K}_L^0}$ beam
$497.661$ $\pm0.033$ 3713
BARKOV
1987B
CMD ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$
$497.742$ $\pm0.085$ 780
BARKOV
1985B
CMD ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$
• • We do not use the following data for averages, fits, limits, etc. • •
$497.44$ $\pm0.50$
FITCH
1967
OSPK
$498.9$ $\pm0.5$ 4500
BALTAY
1966
HBC ${{\mathit K}^{0}}$ from ${{\overline{\mathit p}}}{{\mathit p}}$
$497.44$ $\pm0.33$ 2223
KIM
1965B
HBC ${{\mathit K}^{0}}$ from ${{\overline{\mathit p}}}{{\mathit p}}$
$498.1$ $\pm0.4$
CHRISTENSON
1964
OSPK
1  Obtained by analyzing CLEO-c data but not authored by the CLEO Collaboration.
References