Supersymmetric 3-3-1 model with right-handed neutrinos

Abstract

We consider the supersymmetric extension of the 3-3-1 model with right-handed neutrinos. We study the mass spectra in the scalar and pseudoscalar sectors, and for a given set of the input parameters, we find that the lightest scalar in the model has a mass of 130 GeV and the lightest pseudoscalar has mass of 5 GeV. However, this pseudoscalar decouples from the ${Z}^{0}$ at high energy scales since it is almost a singlet under $\mathrm{S}\mathrm{U}(2{)}_{L}\ensuremath{\bigotimes}\mathrm{U}(1{)}_{Y}$.