Dipole moments of charged leptons in the THDM-III with textures
M Arroyo-Ureña, Enrique Díaz · Journal of Physics G Nuclear and Particle Physics · 2016
Abstract We study the magnetic and weak magnetic dipole moments (WEDMs) of charged leptons in the framework of the two Higgs doublet model type III (THDM-III) with four zero textures. We first analyze the possibility that the discrepancy between the experimental measurements and the theoretical prediction of the muon anomalous magnetic dipole moment ( ) in the standard model can be explained in the context of the model and then find values for the parameters of the THDM-III: neutral and charged Higgs boson masses ( m H , ), mixing angles ( ), CP-violating angles and an additional parameter arising from the mass matrix ( ), for which a correspondence between theory and experiment is possible. We use and current low energy processes mixing, , , , , , , , and the rare higgs decay in order to determine the allowed parameter space of THDM-III and from these we give a prediction for the magnetic and WEDM of charged leptons, in particular of the τ lepton. The obtained magnetic dipole moment of the τ lepton is of the order of (10 −8 –10 −7 ) and the weak magnetic is of the order (10 −10 –10 −7 ).