${{\mathit t}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\overline{\mathit q}}}{{\overline{\mathit q}}^{\,'}}$ (${{\mathit q}}={{\mathit d}},{{\mathit s}},{{\mathit b}}$; ${{\mathit q}^{\,'}}={{\mathit u}},{{\mathit c}}$)  Decay Mode Summary INSPIRE   PDGID:
Q007.8
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{12}$ ${{\mathit t}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\overline{\mathit q}}}{{\overline{\mathit q}}^{\,'}}$ (${{\mathit q}}={{\mathit d}},{{\mathit s}},{{\mathit b}}$; ${{\mathit q}^{\,'}}={{\mathit u}},{{\mathit c}}$) $<1.6 \times 10^{-3}$ CL= 95%
Category: $\Delta \mathit T$ = 1 weak neutral current ($\mathit T1$) modes
Note: (T1) Allowed by higher-order electroweak interactions.
The following data is related to the above value:
$\Gamma($ ${{\mathit t}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\overline{\mathit q}}}{{\overline{\mathit q}}^{\,'}}$ (${{\mathit q}}={{\mathit d}},{{\mathit s}},{{\mathit b}}$; ${{\mathit q}^{\,'}}={{\mathit u}},{{\mathit c}}))/\Gamma_{\text{total}}$
$\Gamma_{12}/\Gamma$