# ${{\boldsymbol \Xi}_{{b}}}$ MEAN LIFE

OUR EVALUATION'' is an average using rescaled values of the data listed below. The average and rescaling were performed by the Heavy Flavor Averaging Group (HFLAV) and are described at http://www.slac.stanford.edu/xorg/hflav/. The averaging/rescaling procedure takes into account correlations between the measurements and asymmetric lifetime errors.

# ${{\boldsymbol \tau}_{{{mix}}}}$ (1/2${{\boldsymbol \pi}}$) times the oscillation period INSPIRE search

VALUE (s) DOCUMENT ID TECN  COMMENT
$>13 \times 10^{-12}$ 1
 2017 BH
LHCB ${{\mathit p}}{{\mathit p}}$ at 7, 8 TeV
1  Uses ${{\mathit \Xi}_{{b}}^{*-}}$ and ${{\mathit \Xi}_{{b}}^{'-}}$ decays to ${{\mathit \Xi}_{{b}}^{0}}{{\mathit \pi}^{-}}$ , where ${{\mathit \Xi}_{{b}}^{0}}$ $\rightarrow$ ${{\mathit \Xi}_{{c}}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit \Xi}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ .
References:
 AAIJ 2017BH
PRL 119 181807 Search for Baryon-Number Violating ${{\mathit \Xi}_{{b}}^{0}}$ Oscillations