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题名: Leptonic CP violation and Wolfenstein parametrization for lepton mixing
作者: Liu, Z;  Wu, YL
刊名: PHYSICS LETTERS B
出版日期: 2014
卷号: 733, 期号:-, 页码:226-232
关键词: DEGENERATE NEUTRINO MASSES ;  SO(3) GAUGE-MODEL ;  2-HIGGS-DOUBLET MODEL ;  SYMMETRY ;  OSCILLATIONS ;  MATRICES ;  DETECTOR ;  SEARCH ;  QUARK ;  BOSON
学科分类: Physics
DOI: 10.1016/j.physletb.2014.04.049
通讯作者: Wu, YL (reprint author), Univ Chinese Acad Sci, Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys,Kavli Inst Theoret Phy, Beijing 100190, Peoples R China.
部门归属: [Liu, Zhuo
英文摘要: We investigate a general structure of lepton mixing matrix resulting from the SUF(3) gauge family model with an appropriate vacuum structure of SUF(3) symmetry breaking. It is shown that the lepton mixing matrix can be parametrized by using the Wolfenstein parametrization method to characterize its deviation from the tri-bimaximal mixing. A general analysis for the allowed leptonic CP-violating phase delta(e) and the leptonic Wolfenstein parameters lambda(e), A(e), rho(e) is carried out based on the observed lepton mixing angles. We demonstrate how the leptonic CP violation correlates to the leptonic Wolfenstein parameters. It is found that the phase Se is strongly constrained and only a large or nearly maximal leptonic CP-violating phase vertical bar delta(e)vertical bar similar or equal to 3 pi/4 similar to pi/2 is favorable when lambda(e) > 0.15. In particular, when taking lambda(e) to be the Cabibbo angle lambda(e) similar or equal to lambda similar or equal to 0.225, a sensible result for leptonic Wolfenstein parameters and CP violation is obtained with A(e) = 1.40, rho(e) = 0.20, delta(e) similar to 101.76 degrees, which is compatible with the one in quark sector. An interesting correlation between leptons and quarks is observed, which indicates a possible common origin of masses and mixing for the charged leptons and quarks. (C) 2014 The Authors. Published by Elsevier B.V.
资助者: National Natural Science Foundation of China (NSFC) [10975170, 10905084, 10821504]; Chinese Academy of Sciences
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000336430400039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15742
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Recommended Citation:
Liu, Z,Wu, YL. Leptonic CP violation and Wolfenstein parametrization for lepton mixing[J]. PHYSICS LETTERS B,2014,733(-):226-232.
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