pdgLive Home   >   STRANGE MESONS ($\mathit S$ = $\pm1$, $\mathit C$ = $\mathit B$ = 0)   >   ${{\mathit K}^{\pm}}$   >   $({\mathit \tau}_{{{\mathit K}^{+}}}–{\mathit \tau}_{{{\mathit K}^{-}}})/{\mathit \tau}_{\mathrm {average}}$

$({\mathit \tau}_{{{\mathit K}^{+}}}–{\mathit \tau}_{{{\mathit K}^{-}}})/{\mathit \tau}_{\mathrm {average}}$

INSPIRE   PDGID:

S010DT

This quantity is a measure of $\mathit CPT$ invariance in weak interactions.

VALUE (%) DOCUMENT ID TECN $\bf{ 0.10 \pm0.09 }$ OUR AVERAGE  Error includes scale factor of 1.2. $-0.4$ $\pm0.4$ AMBROSINO 2008 KLOE $0.090$ $\pm0.078$ LOBKOWICZ 1969 CNTR $0.47$ $\pm0.30$ FORD 1967 CNTR

Conservation Laws:

$\mathit CPT$ INVARIANCE

References