A model of fermion masses and mixings triggered by family problem in warped extra dimensions

被引：10

作者：

Guo, Zhi-Qiang ^{[1
]}

Ma, Bo-Qiang

机构：

[1] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 09期

关键词：

Field Theories in Higher Dimensions; Quark Masses and SM Parameters; Neutrino Physics; FLAVOR VIOLATION; SYMMETRY; GENERATIONS; HIERARCHY; FIELDS; ANGLES; A(4);

D O I：

10.1088/1126-6708/2009/09/091

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：

We suggest a model which addresses both the fermion mass hierarchy problem and the family problem in two-layer warped extra dimensions. In this model, 3 family fermions in 4 dimensions (4D) generate from 1 family in two-layer warped 6D by two step Kluza-Klein decompositions. The mass hierarchies are produced by the exponential behavior of 4D fermion zero mode profiles. The mixings and masses of fermions are closely related to the family problem. By adjusting parameters in this model, the numerical results can be very close to the experimental data both in the quark sector and in the lepton sector. In the lepton sector, we suppose neutrinos to be Dirac ones. The neutrino masses of sub-eV scale are obtained, and also CP violation emerges in the lepton sector.

引用

页数：51

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