is determined as Since all new scalars η ± , η 0 $_{R}$, η 0 I carry a Z$_{2}$ odd quantum number and only couple to Higgs boson and electroweak gauge bosons of the standard model, they can be produced in pairs through the standard model gauge bosons W ± , Z or γ . Once produced, η ± will decay into η 0 R,I and a virtual W ± , then η 0 I subsequently becomes η 0 R + Z -boson, which will decay a quark-antiquark or lepton-antilepton pair. Here the mass hierarchy m$_{η}$ ± > m$_{I}$ > m$_{R}$ is assumed. That is, the stable η 0 R appears as missing energy in the decays of η ± → η 0 $_{I}$l ± ν with the subsequent decay η 0 I → η 0 $_{R}$l ± l ∓ , which can be compared to the direct decay η ± → η 0 $_{R}$l ± ν to extract the masses of the respective particles. Therefore, if the signal of $^{m}$− and m$_{+}$ in LHC are measured, i.e. ¯ m$_{η}$ ≃ M$_{lightest}$ ≳ electroweak scale, the lightest of heavy Majorana neutrinos can be decided. Before we discussing how to achieve leptogenesis in our scenario, we first examine if it is consistent with low energy neutrino data, especially being consistent with the recent analysis in 1 σ giving θ$_{13}$ > 0 [1]. As can be seen from Eqs. (23-26), three neutrino masses, three mixing angles and a CP phase are presented in terms of five independent parameters m$_{0}$, κ (or a, b ) , x, φ . Note here that the values of parameter ω$_{i}$ ( i = 1 , 2 , 3) and a, b are determined independetly by the value of parameter κ . At present, we have five experimental results, which are taken as inputs in our numerical analysis given at 3 σ by Table. I. Let us discuss the numerical results focussing on both hierarchical and degenerate light neutrino mass spectrum given in previous section, for example, Case-I and Case-II , re- spectively. In our numerical calculation of Case-I , we first fix the value of heavy Majorana neutrino with lightest one being to be around TeV scale M$_{2}$ ≡ M = 10 $^{5}$GeV ≫ M$_{3}$ ≡ bM ≃ 1TeV and the value of m$_{0}$ with $^{m}$− = 100eV in Eq. (32), then we impose the current experimental 14 m$_{0}$ ≃ $^{m}$−bg 2 ν 8 π 2 ≃    m$_{3}$b/ω$_{3}$, Normal hierarchical mass spectrum ( Case-I ), m$_{2}$/ω$_{2}$, Quasi-degenerate mass spectrum ( Case-II ∼ Case-V ). (32) B. Confronting with Low-energy neutrino data 1. Normal hierarchical light neutrino mass spectrum