${{\mathit Z}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$  Decay Mode Summary INSPIRE   PDGID:
S044.16
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{4}$ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ ($3.3658$ $\pm0.0023$) $ \times 10^{-2}$
Note: ${{\mathit \ell}}$ indicates each type of lepton (${{\mathit e}}$, ${{\mathit \mu}}$, and ${{\mathit \tau}}$), not sum over them.
The following data is related to the above value:
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