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题名: Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry
作者: Zhao, ZH
刊名: PHYSICS LETTERS B
出版日期: 2011
卷号: 701, 期号:5, 页码:609-613
关键词: NEUTRINO MASS MATRIX ;  CP-VIOLATION ;  LEPTOGENESIS ;  OSCILLATION ;  HIERARCHY
学科分类: Physics
通讯作者: Zhao, ZH (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Zhao, Zhen-hua] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Zhao, Zhen-hua] State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In this Letter, we realize the tri-bimaximal mixing in the lepton sector in the context of minimal seesaw in which only two right-handed neutrinos are introduced, with the discrete group S4 as the family symmetry. In order to constrain the form of superpotential, a Z3 symmetry is also introduced. In the model, the mass matrices for charged leptons and right-handed neutrinos are diagonal. The unitary matrix that diagonalizes the light Majorana neutrino mass matrix is exact tri-bimaximal at LO, and is corrected by small quantities of O(0.01) at NLO. The mechanism to get the particular scalar VEV alignments used is also presented. Phenomenologically, the mass spectrum is of normal hierarchy with m(1) = 0, and Sigma m(i) and vertical bar m(ee)vertical bar are about 0.058 eV and 0.003 eV respectively. (C) 2011 Elsevier B.V. All rights reserved.
资助者: National Natural Science Foundation of China [11075193, 10821504]; National Basic Research Program of China [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000293438100016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14311
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhao, ZH. Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry[J]. PHYSICS LETTERS B,2011,701(5):609-613.
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