Textures with two traceless submatrices of the neutrino mass matrix

被引:20
|
作者
Alhendi, H. A. [1 ]
Lashin, E. I. [1 ,2 ,3 ]
Mudlej, A. A. [1 ]
机构
[1] King Saud Univ, Coll Sci, Dept Phys Astron, Riyadh, Saudi Arabia
[2] Abdus Salam Int Ctr Theoret Phys, I-34100 Trieste, Italy
[3] Ain Shams Univ, Fac Sci, Dept Phys, Cairo, Egypt
关键词
D O I
10.1103/PhysRevD.77.013009
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We propose a new texture for the light neutrino mass matrix. The proposal is based upon imposing a zero-trace condition on the two-by-two submatrices 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 submatrices may be found sufficient to describe the current data. Eight out of 15 independent possible cases are found to be compatible with current data. Numerical and some approximate analytical results are presented.
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页数:13
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