Lepton Flavor Structures

被引：0
作者：
Xing, Zhi-zhong [1 ,2 ]
Luo, Shu [3 ,4 ]
机构：
[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
[3] Xiamen Univ, Dept Phys, Xiamen 361005, Fujian, Peoples R China
[4] Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Fujian, Peoples R China
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2013年 / 237卷
关键词：
lepton flavor structure; neutrino mass; CP violation; sterile neutrino; NEUTRINO MASS; QUARK MASSES; CP-VIOLATION; DARK-MATTER; TEXTURE; HIERARCHY; MATRICES; ANGLES; MODEL; ZEROS;
D O I：
10.1016/j.nuclphysbps.2013.04.109
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Current experimental data can help us gain an insight into the underlying dynamics of lepton flavor mixing. In particular, we explore the lepton flavor structures by taking account of the observed value of the smallest neutrino mixing angle theta(13). Two phenomenological strategies are outlined: (1) the lepton flavor mixing matrix U consists of a constant leading term and a small perturbation term; and (2) the mixing angles of U are associated with the lepton mass ratios. Either approach can be realized via a certain flavor symmetry and its breaking mechanism. The approximate mu-tau permutation symmetry of U in modulus and the leptonic CP violation are discussed in some detail. We also present a full parametrization of the 6 x 6 flavor mixing matrix in the (3+3) scenario with three sterile neutrinos, and give some comments, on the similarities and differences between lepton and quark flavor mixing structures.
引用
收藏
页码：283 / 288
页数：6
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