(${\boldsymbol m}_{{{\boldsymbol \Xi}^{-}}}–{\boldsymbol m}_{{{\overline{\boldsymbol \Xi}}^{+}}}$) $/$ ${\boldsymbol m}_{{{\boldsymbol \Xi}^{-}}}$

INSPIRE search
A test of $\mathit CPT$ invariance.
VALUE DOCUMENT ID TECN  COMMENT
($-2.5$ $\pm8.7$) $ \times 10^{-5}$
ABDALLAH
2006E
DLPH from ${{\mathit Z}}$ decays
Conservation Laws:
$\mathit CPT$ INVARIANCE
References:
ABDALLAH 2006E
PL B639 179 Masses, Lifetimes and Production Rates of ${{\mathit \Xi}^{-}}$ and ${{\overline{\mathit \Xi}}^{+}}$ at LEP 1