Textures with two traceless submatrices of the neutrino mass matrix

Alhendi, H.A. ; Lashin, E.I. ; Mudlej, A.A. 


We propose a new texture for the light neutrino mass matrix. The proposal is based upon imposing zero-trace condition on the two by two sub-matrices of the complex symmetric Majorana mass matrix in the flavor basis where the charged lepton mass matrix is diagonal. Restricting the mass matrix to have two traceless sub-matrices may be found sufficient to describe the current data. Eight out of fifteen independent possible cases are found to be compatible with current data. Numerical and some approximate analytical results are presented.

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Keywords High Energy Physics - Phenomenology
Issue Date 2008
Journal Physical Review D - Particles, Fields, Gravitation and Cosmology 
URI http://research.asu.edu.eg/123456789/678
DOI 10.1103/PhysRevD.77.013009

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