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

VALUE DOCUMENT ID TECN  COMMENT
$1.083$ $\pm0.032$ $\pm0.016$ 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. Uses ${{\mathit \Xi}_{{b}}^{0}}$ measurements from AAIJ 2014Z.
References:
 AAIJ 2014BJ
PRL 113 242002 Precision Measurement of the Mass and Lifetime of the ${{\mathit \Xi}_{{b}}^{-}}$ Baryon