A Two Parameter Texture of Nearly Bi-maximal Neutrino Mixing

Abstract

We propose a texture of three generation Majorana-type neutrino mass matrix in terms of only two parameters which gives rise to nearly bi-maximal mixing angles. We also demonstrate an explicit realization of such type of neutrino mass-matrix in the context of an $SU(2{)}_L$$\times$$U(1{)}_Y$ model due to higher dimensional mass terms through the inclusion of discrete $Z_3$$\times$$Z_4$ symmetry and two extra singlet Higgs fields.

14 pages, Latex, One figure, few references added, misprint in Table I is corrected, Version to appear in Physical Review D

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