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题名: Minimal seesaw model with S-4 flavor symmetry
作者: Yang, Rui-Zhi1, 2, 3; Zhang, He1
刊名: PHYSICS LETTERS B
出版日期: 2011-06-20
卷号: 700, 期号:5, 页码:316-321
关键词: Neutrino mass ; Flavor symmetry ; Seesaw models
DOI: 10.1016/j.physletb.2011.05.014
文章类型: Article
英文摘要: We discuss a neutrino mass model based on the S-4 flavor symmetry within the minimal seesaw framework, in which only two right-handed neutrinos are introduced and transform as 2 under S-4. Although the model contains less free parameters compared to the typical seesaw models, it provides a successful description of the observed neutrino parameters, and in particular, a nearly tri-bimaximal mixing pattern can be naturally accommodated. In addition, the heavy right-handed neutrino masses are found to be non-degenerate, while only the normal hierarchical mass spectrum is compatible with experiments for light neutrinos. (C) 2011 Published by Elsevier B.V.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: NEUTRINO MASSES ; CP-VIOLATION ; PERMUTATION SYMMETRY ; LEPTONS ; MATRIX
收录类别: SCI
语种: 英语
WOS记录号: WOS:000292174900006
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15968
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Max Planck Inst Kernphys, D-69029 Heidelberg, Germany
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100012, Peoples R China
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