$({\mathit m}_{{{\mathit W}^{+}}}–{\mathit m}_{{{\mathit W}^{-}}})/{\mathit m}_{\mathrm {average}}$

INSPIRE   PDGID:
S043MDA
VALUE
$\bf{ (-3.7 \pm3.5) \times 10^{-4}}$ OUR EVALUATION
Conservation Laws:
$\mathit CPT$ INVARIANCE