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

INSPIRE  
A test of $\mathit CPT$ invariance. Calculated from the mean-life ratio, above.
VALUE
$\bf{ (2 \pm8) \times 10^{-5}}$ OUR EVALUATION
Conservation Laws:
$\mathit CPT$ INVARIANCE