Lepton flavor violating decays $l_j\to l_i\gamma$ in the $U(1{)}_X$VLFM

Shuang Di, Wei-Hang Zhang, Zi-Xuan Su +3

In the $U(1{)}_X$ vector-like fermion model ($U(1{)}_X$VLFM), the Standard Model(SM) gauge group is extended with an additional $U(1{)}_X$ symmetry. Vector-like fermions and right-handed…