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${{\mathit \Xi}^{-}}$ MEAN LIFE

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S022T

Measurements with an error $>$ $0.2 \times 10^{-10}$ s or with systematic errors not included have been omitted.

VALUE ($ 10^{-10} $ s) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 1.639 \pm0.015}$ OUR AVERAGE $1.65$ $\pm0.07$ $\pm0.12$ $2478$ $\pm68$ ABDALLAH 2006 E DLPH from ${{\mathit Z}}$ decays $1.652$ $\pm0.051$ 32k BOURQUIN 1984 SPEC Hyperon beam $1.665$ $\pm0.065$ 41k BOURQUIN 1979 SPEC Hyperon beam $1.609$ $\pm0.028$ 4286 HEMINGWAY 1978 HBC 4.2 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}{{\mathit p}}$ $1.67$ $\pm0.08$ DIBIANCA 1975 DBC 4.9 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}{{\mathit d}}$ $1.63$ $\pm0.03$ 4303 BALTAY 1974 HBC 1.75 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}{{\mathit p}}$ $1.73$ ${}^{+0.08}_{-0.07}$ 680 MAYEUR 1972 HLBC 2.1 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}$ $1.61$ $\pm0.04$ 2610 DAUBER 1969 HBC $1.80$ $\pm0.16$ 299 LONDON 1966 HBC $1.70$ $\pm0.12$ 246 PJERROU 1965 B HBC $1.69$ $\pm0.07$ 794 HUBBARD 1964 HBC $1.86$ ${}^{+0.15}_{-0.14}$ 517 JAUNEAU 1963 D FBC

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