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

INSPIRE   PDGID:

S047T

VALUE ($ 10^{-15} $ s) EVTS DOCUMENT ID TECN  COMMENT $268$ $\pm24$ $\pm10$ 978 1 AAIJ 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 LINK 2003 C FOCS ${{\mathit \Omega}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit \Xi}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ $55$ ${}^{+13}_{-11}$ ${}^{+18}_{-23}$ 86 ADAMOVICH 1995 B WA89 ${{\mathit \Omega}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ , ${{\mathit \Xi}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ $86$ ${}^{+27}_{-20}$ $\pm28$ 25 FRABETTI 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 LINK 2003C PL B561 41 Measurement of the ${{\mathit \Omega}_{{c}}^{0}}$ Lifetime ADAMOVICH 1995B PL B358 151 Measurement of ${{\mathit \Omega}_{{c}}^{0}}$ Lifetime FRABETTI 1995D PL B357 678 First Measurement of the Lifetime of the ${{\mathit \Omega}_{{c}}^{0}}$