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SU(3) gauge family symmetry and prediction for the lepton-flavor mixing and neutrino masses with maximal spontaneous CP violation
Wu, YL; Wu, YL (reprint author), Chinese Acad Sci, Inst Theoret Phys, KITPC, SKLTP, Beijing 100190, Peoples R China.
2012
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号714期号:2-5页码:286-294
摘要A model for the lepton-flavor mixing and CP violation is proposed based on the SUF(3) gauge family symmetry and the Majorana feature of neutrinos. A consistent prediction for the lepton-flavor mixing and masses is shown to be resulted from the appropriate vacuum structure of SUF(3) gauge symmetry breaking. By choosing the SUF(3) gauge fixing condition to possess a residual Z(2) symmetry and requiring the vacuum structure of spontaneous symmetry breaking to have approximate global U(1) family symmetries, we obtain naturally the tri-bimaximal mixing matrix and largely degenerate neutrino masses in the neutrino sector and the small mixing matrix in the charged-lepton sector. With a simple ansatz that all the smallness due to the approximate global U(1) family symmetries is characterized by a single Wolfenstein parameter lambda similar or equal to 0.22, and the charged-lepton mixing matrix has a similar hierarchy structure as the CKM quark mixing matrix, we arrive at a consistent prediction for the MNSP lepton-flavor mixing with a maximal spontaneous CP violation: delta = pi/2, sin(2) theta(13) similar or equal to 1/2(lambda 2) similar or equal to 0.024 (sin(2) 2 theta(13) similar or equal to 0.094), sin(2) theta(12) similar or equal to 1/3 (1 - 2(lambda 3)) similar or equal to 0.326 and sin(2) theta(23) similar or equal to 1/2(1 - lambda(2)) similar or equal to 0.48, which agree well with the current experimental data. The CP-violating Jarlskog-invariant is obtained to be J(CP) similar or equal to 1/6 lambda(1 - lambda(2)/2 - lambda(3)) sin delta similar or equal to 0.035, which is detectable in next generation neutrino experiment. The small masses of the neutrinos and charged leptons are simply attributed to the standard seesaw mechanism. The largely degenerate neutrino masses with the normal hierarchy and inverse hierarchy are discussed and found to be at the order m(vi) similar or equal to O(lambda(2)) similar or equal to 0.04-0.06 eV with a total mass Sigma m(v) similar to 0.15 eV, which is testable in future precision astrophysics and cosmology. (C) 2012 Published by Elsevier B.V.
部门归属Chinese Acad Sci, Inst Theoret Phys, KITPC, SKLTP, Beijing 100190, Peoples R China
关键词Discrete Symmetry Large Theta(13) S-3 Symmetry 2-higgs-doublet Model Degenerate Neutrinos Horizontal Symmetry T-quark Matrix Oscillations Conservation
学科领域Physics
资助者National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS)
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收录类别SCI
语种英语
资助者National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS) ; National Science Foundation of China (NSFC) [10821504, 10975170]; National Basic Research Program of China (973 Program) [2010CB833000]; Chinese Academy of Sciences (CAS)
WOS记录号WOS:000307680100018
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15048
专题理论物理所SCI论文
通讯作者Wu, YL (reprint author), Chinese Acad Sci, Inst Theoret Phys, KITPC, SKLTP, Beijing 100190, Peoples R China.
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Wu, YL,Wu, YL . SU(3) gauge family symmetry and prediction for the lepton-flavor mixing and neutrino masses with maximal spontaneous CP violation[J]. PHYSICS LETTERS B,2012,714(2-5):286-294.
APA Wu, YL,&Wu, YL .(2012).SU(3) gauge family symmetry and prediction for the lepton-flavor mixing and neutrino masses with maximal spontaneous CP violation.PHYSICS LETTERS B,714(2-5),286-294.
MLA Wu, YL,et al."SU(3) gauge family symmetry and prediction for the lepton-flavor mixing and neutrino masses with maximal spontaneous CP violation".PHYSICS LETTERS B 714.2-5(2012):286-294.
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