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Zhao, ZH; Zhao, ZH (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry
发表期刊PHYSICS LETTERS B
语种英语
关键词Neutrino Mass Matrix Cp-violation Leptogenesis Oscillation Hierarchy
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.
2011
ISSN0370-2693
卷号701期号:5页码:609-613
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [11075193, 10821504]; National Basic Research Program of China [2010CB833000] ; National Natural Science Foundation of China [11075193, 10821504]; National Basic Research Program of China [2010CB833000] ; National Natural Science Foundation of China [11075193, 10821504]; National Basic Research Program of China [2010CB833000] ; National Natural Science Foundation of China [11075193, 10821504]; National Basic Research Program of China [2010CB833000]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14311
专题理论物理所科研产出_SCI论文
通讯作者Zhao, ZH (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
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Zhao, ZH,Zhao, ZH . Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry[J]. PHYSICS LETTERS B,2011,701(5):609-613.
APA Zhao, ZH,&Zhao, ZH .(2011).Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry.PHYSICS LETTERS B,701(5),609-613.
MLA Zhao, ZH,et al."Realizing tri-bimaximal mixing in minimal seesaw model with S4 family symmetry".PHYSICS LETTERS B 701.5(2011):609-613.
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