${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$   Decay Mode Summary INSPIRE   PDGID:
S044.2
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{2}$ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $0.033662$ $\pm0.000066$ 45594
Note: This parameter is not directly used in the overall fit but is derived using the fit results; see the note “The ${{\mathit Z}}$ boson” and ref. LEP-SLC 2006 (Physics Reports (Physics Letters C) 427 257 (2006)).
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $)/\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $)$
$\Gamma_{2}/\Gamma_{1}$
$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ $)/\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $)$
$\Gamma_{3}/\Gamma_{2}$
$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ hadrons$)/\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $)$
$\Gamma_{8}/\Gamma_{2}$
$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $)$
$\Gamma_{2}$