| Mode | Fraction ($\Gamma_i$ / $\Gamma$) | Scale Factor/ Conf. Level |
P(MeV/c) | |||
| $\Gamma_{1}$ | ${{\mathit \mu}^{-}}$ $\rightarrow$ ${{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}{{\mathit \nu}_{{\mu}}}$ | $\approx{}\text{ 100}\%$ | 53 | |||
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