# ${\boldsymbol \tau}_{{{\boldsymbol \Xi}_{{b}}^{-}}}$ $/$ ${\boldsymbol \tau}_{{{\boldsymbol \Lambda}_{{b}}^{0}}}$ mean life ratio INSPIRE search

VALUE DOCUMENT ID TECN  COMMENT
$1.089$ $\pm0.026$ $\pm0.011$ 1
 2014 BJ
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
1  Reconstructed in ${{\mathit \Xi}_{{b}}^{-}}$ $\rightarrow$ ${{\mathit \Xi}_{{c}}^{0}}{{\mathit \pi}^{-}}$ , ${{\mathit \Xi}_{{c}}^{0}}$ $\rightarrow$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ decays. Reference ${{\mathit \Lambda}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{-}}$ .
References:
 AAIJ 2014BJ
PRL 113 242002 Precision Measurement of the Mass and Lifetime of the ${{\mathit \Xi}_{{b}}^{-}}$ Baryon