${\boldsymbol m}_{{{\boldsymbol K}^{+}}}–{\boldsymbol m}_{{{\boldsymbol K}^{-}}}$ INSPIRE search

Test of $\mathit CPT$.
VALUE (MeV) EVTS DOCUMENT ID TECN CHG
$-0.032$ $\pm0.090$ 1.5M 1
FORD
1972
ASPK $\pm{}$
1  FORD 1972 uses ${\mathit m}_{{{\mathit \pi}^{+}}}–{\mathit m}_{{{\mathit \pi}^{-}}}$ = $+28$ $\pm70$ keV.
  References:
FORD 1972
PL 38B 335 Experimental Study on the ${{\mathit \tau}^{\pm}}$ Decay Matrix Element