${{\mathit t}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit q}}$ (${{\mathit q}}={{\mathit u}},{{\mathit c}}$)  Decay Mode Summary INSPIRE   PDGID:
Q007.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{7}$ ${{\mathit t}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit q}}$ (${{\mathit q}}={{\mathit u}},{{\mathit c}}$) $<1.8 \times 10^{-4}$ CL= 95%
Note: This limit is for $\Gamma\mathrm {( {{\mathit t}} \rightarrow {{\mathit \gamma}} {{\mathit q}} )}/\Gamma\mathrm {( {{\mathit t}} \rightarrow {{\mathit W}} {{\mathit b}} )}$.
The following data is related to the above value: