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

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