${{\mathit \Omega}_{{c}}^{0}}$ MEAN LIFE

VALUE ($10^{-15}$ s) EVTS DOCUMENT ID TECN  COMMENT
$268$ $\pm24$ $\pm10$ 978 1
 2018 J
LHCB ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$72$ $\pm11$ $\pm11$ 64
 2003 C
FOCS ${{\mathit \Omega}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit \Xi}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$
$55$ ${}^{+13}_{-11}$ ${}^{+18}_{-23}$ 86
 1995 B
WA89 ${{\mathit \Omega}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ , ${{\mathit \Xi}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$
$86$ ${}^{+27}_{-20}$ $\pm28$ 25
 1995 D
E687 ${{\mathit \Sigma}^{+}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$
 1 AAIJ 2018J, with nearly five times more events that the previous three experiments combined, gets a lifetime that is nearly four times larger than the average of those experiments, ($69$ $\pm12$) $\times 10^{-15}$ s. We go with the larger data sample.
References:
 AAIJ 2018J
PRL 121 092003 Measurement of the $\Omega_c^0$ baryon lifetime
PL B561 41 Measurement of the ${{\mathit \Omega}_{{c}}^{0}}$ Lifetime
PL B358 151 Measurement of ${{\mathit \Omega}_{{c}}^{0}}$ Lifetime
PL B357 678 First Measurement of the Lifetime of the ${{\mathit \Omega}_{{c}}^{0}}$