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MEAN LIFE RATIOS

${\mathit \tau}_{{{\mathit \Xi}_{{b}}^{-}}}$ $/$ ${\mathit \tau}_{{{\mathit \Xi}_{{b}}^{0}}}$ mean life ratio

INSPIRE   PDGID:

S060TR2

VALUE DOCUMENT ID TECN  COMMENT $1.083$ $\pm0.032$ $\pm0.016$ 1 AAIJ 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

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