${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$  Decay Mode Summary INSPIRE   PDGID:
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
$\Gamma_{306}$ ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $<3.1 \times 10^{-9}$ CL= 90% 926
Category: $\Delta \mathit C$ = 1 weak neutral current ($\mathit C1$) modes, Lepton Family number ($\mathit LF$) violating modes, Lepton ($\mathit L$) or Baryon ($\mathit B$) number violating modes
Note: (C1) Allowed by higher-order electroweak interactions.
The following data is related to the above value: