${{\boldsymbol \Xi}^{0}}$ MEAN LIFE INSPIRE search

VALUE ($ 10^{-10} $ s) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 2.90 \pm0.09}$ OUR AVERAGE
$2.83$ $\pm0.16$ 6300 1
ZECH
1977
SPEC Neutral hyperon beam
$2.88$ ${}^{+0.21}_{-0.19}$ 652
BALTAY
1974
HBC 1.75 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}{{\mathit p}}$
$2.90$ ${}^{+0.32}_{-0.27}$ 157 2
MAYEUR
1972
HLBC 2.1 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}$
$3.07$ ${}^{+0.22}_{-0.20}$ 340
DAUBER
1969
HBC
$3.0$ $\pm0.5$ 80
PJERROU
1965B
HBC
$2.5$ ${}^{+0.4}_{-0.3}$ 101
HUBBARD
1964
HBC
$3.9$ ${}^{+1.4}_{-0.8}$ 24
JAUNEAU
1963
FBC
• • • We do not use the following data for averages, fits, limits, etc. • • •
$3.5$ ${}^{+1.0}_{-0.8}$ 45
CARMONY
1964B
HBC See PJERROU 1965B
1  The ZECH 1977 result is ${\mathit \tau}_{{{\mathit \Xi}^{0}}}$ = $\lbrack{}2.77–({\mathit \tau}_{{{\mathit \Lambda}}}–2.69)\rbrack{}{\times }10^{-10}$ s, in which we use ${\mathit \tau}_{{{\mathit \Lambda}}}$ = $2.63 \times 10^{-10}$ s.
2  The MAYEUR 1972 value is modified by the erratum.
  References:
ZECH 1977
NP B124 413 A Measurement of the Lifetimes of ${{\mathit \Xi}^{0}}$ and ${{\mathit \Lambda}}$ Hyperons
BALTAY 1974
PR D9 49 Properties of ${{\mathit \Xi}^{-}}$ and ${{\mathit \Xi}^{0}}$ Hyperons
MAYEUR 1972
NP B47 333 A Measurement of the ${{\mathit \Xi}}$ Hyperon Lifetimes and $\alpha $ Parameters
DAUBER 1969
PR 179 1262 Production and Decay of Cascade Hyperons
PJERROU 1965B
PRL 14 275 Electromagnetic ${{\mathit \Xi}^{*}{(1530)}}$ Mass Difference
CARMONY 1964B
PRL 12 482 Properties of ${{\mathit \Xi}}$ Hyperons
HUBBARD 1964
PR 135 B183 Lifetimes of the ${{\mathit \Xi}^{-}}$ and ${{\mathit \Xi}^{0}}$ Hyperons
JAUNEAU 1963
PL 4 49 Direct Measurement of ${{\mathit \Xi}^{-}}$ and ${{\mathit \Xi}^{0}}$ Mean Lives