Quark-lepton complementarity relation and neutrino mass hierarchy

被引:58
作者
Ferrandis, J
Pakvasa, S
机构
[1] Univ Hawaii Manoa, Dept Phys & Astron, Honolulu, HI 96822 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Theoret Phys Grp, Berkeley, CA 94720 USA
来源
PHYSICAL REVIEW D | 2005年 / 71卷 / 03期
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevD.71.033004
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Latest measurements have revealed that the deviation from a maximal solar mixing angle is approximately the Cabibbo angle [i.e., quark-lepton complementarity (QLC) relation]. We argue that it is not plausible that this deviation from maximality, be it a coincidence or not, comes from the charged lepton mixing. Consequently we have calculated the required corrections to the exactly bimaximal neutrino mass matrix ansatz necessary to account for the solar mass difference and the solar mixing angle. We point out that the relative size of these two corrections depends strongly on the hierarchy case under consideration. We find that the inverted hierarchy case with opposite CP parities, which is known to guarantee the renormalization group equations stability of the solar mixing angle, offers the most plausible scenario for a high-energy origin of a QLC-corrected bimaximal neutrino mass matrix. This possibility may allow us to explain the QLC relation in connection with the origin of the charged fermion mass matrices.
引用
收藏
页码:033004 / 1
页数:7
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