$\vert \Delta {\boldsymbol \tau}_{{{\boldsymbol b}}}\vert /{\boldsymbol \tau}_{\mathrm {{{\boldsymbol b}},{{\overline{\boldsymbol b}}}}}$ INSPIRE search

${\mathit \tau}_{\mathrm {{{\mathit b}},{{\overline{\mathit b}}}}}$ and $\vert \Delta {\mathit \tau}_{{{\mathit b}}}\vert $ are the mean life average and difference between ${{\mathit b}}$ and ${{\overline{\mathit b}}}$ hadrons.

VALUE

DOCUMENT ID

TECN

COMMENT

$-0.001$ $\pm0.012$ $\pm0.008$

ABBIENDI

1999

OPAL

${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit Z}}$

¹ Data analyzed using both the jet charge and the charge of secondary vertex in the opposite hemisphere.

References:

ABBIENDI

1999J

EPJ C12 609

Measurement of the ${{\mathit B}^{+}}$ and ${{\mathit B}^{0}}$ Lifetimes and Search for $\mathit CP(T)$ Violation using Reconstructed Secondary Vertices