All-purpose neutrino mass matrix

被引:123
作者
Ma, E [1 ]
机构
[1] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
关键词
D O I
10.1103/PhysRevD.66.117301
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A four-parameter Majorana neutrino mass matrix is proposed, which is exactly diagonalizable with two mixing angles, one of which is pi/4 and the other large but less than pi/4. The form of this mass matrix allows seven realizations of the present data on atmospheric and solar neutrino oscillations: three have the normal hierarchy, two have the inverse hierarchy, and two have three nearly degenerate masses. The possible inclusion of CP violation is also discussed.
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