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${{\mathit \Lambda}}$ MEAN LIFE

Measurements with an error ${}\geq{}$ $0.1 \times 10^{-10}$ s have been omitted altogether, and only the latest high-statistics measurements are used for the average.

(${\mathit \tau}_{{{\mathit \Lambda}}}–{\mathit \tau}_{{{\overline{\mathit \Lambda}}}}$) $/$ ${\mathit \tau}_{{{\mathit \Lambda}}}$

INSPIRE   PDGID:

S018DT

A test of $\mathit CPT$ invariance.

VALUE DOCUMENT ID TECN  COMMENT $\bf{ -0.001 \pm0.009}$ OUR AVERAGE $-0.0018$ $\pm0.0066$ $\pm0.0056$ BARNES 1996 CNTR LEAR ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \Lambda}}$ $0.044$ $\pm0.085$ BADIER 1967 HBC 2.4 ${\mathrm {GeV/}}\mathit c$ ${{\overline{\mathit p}}}{{\mathit p}}$

Conservation Laws:

$\mathit CPT$ INVARIANCE

References:

BARNES 1996 PR C54 1877 Observables in High Statistics Measurements of the Reaction ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \Lambda}}$ BADIER 1967 PL 25B 152 Reactions ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \Lambda}}$ at 2.5 ${\mathrm {GeV/}}\mathit c$

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