Single production of the vector-like top quark in the littlest Higgs model at TeV energy $e^{-}\gamma$ colliders

Yao-Bei Liu, Xue-Lei Wang, Yong-Hua Cao

The new colored vector-like heavy fermion $T$ is a crucial prediction in little Higgs models, which plays a key role in breaking the electroweak symmetry. The littlest Higgs model…