Decay $t->c\gamma$ in models with SU_L(3)XU_X(1) gauge symmetry

I. Cortés-Maldonado, G. Hernández-Tomé, G. Tavares-Velasco

The one-loop level mediated $t->c\gamma$ decay is analyzed in the framework of 331 models, which induce three-level flavor-changing neutral currents mediated by an extra neutral gauge…