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(${\mathit \tau}_{{{\mathit \Sigma}^{+}}}–{\mathit \tau}_{{{\overline{\mathit \Sigma}}^{-}}}$) $/$ ${\mathit \tau}_{{{\mathit \Sigma}^{+}}}$

INSPIRE   PDGID:

S019DT

A test of $\mathit CPT$ invariance.

VALUE DOCUMENT ID TECN  COMMENT ($-6$ $\pm12$) $ \times 10^{-4}$ BARBOSA 2000 E761 hyperons, 375 GeV

Conservation Laws:

$\mathit CPT$ INVARIANCE

References:

BARBOSA 2000 PR D61 031101 Measurement of the ${{\overline{\mathit \Sigma}}^{-}}$ Lifetime and Direct Comparison with the ${{\mathit \Sigma}^{+}}$ Lifetime