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题名: Octahedral symmetry with geometrical breaking: New prediction for neutrino mixing angle theta(13) and CP violation
作者: He, HJ ;  Xu, XJ
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 86, 期号:11, 页码:111301
学科分类: Physics
通讯作者: He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
部门归属: [He, Hong-Jian; Xu, Xun-Jie] Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China; [He, Hong-Jian; Xu, Xun-Jie] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; [He, Hong-Jian] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [He, Hong-Jian] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: We propose octahedral group O-h as the family symmetry of the neutrino-lepton sector. We find that O-h contains subgroups Z(2)(mu tau) circle times Z(2)(s) and Z(4)(l) for realizing the bimaximal (BM) mixings theta(23) = theta(12) = 45 degrees, where Z(2)(mu tau) circle times Z(2)(s) and Z(4)(l) serve as the residual symmetries of neutrinos and charged leptons, respectively. We present geometric interpretations of BM mixing in the octahedron, and construct natural geometrical breaking of Z(4)(l), leading to nontrivial deviations from the BM mixings. Our theory makes truly simple predictions of a relatively large reactor angle, theta(13) similar or equal to 45 degrees - theta(12) = 7.5 degrees-13.7 degrees(3 sigma), the nearly maximal atmospheric angle and the approximate maximal Dirac CP violation. These agree well with the current neutrino data, and will be further probed by the on-going and upcoming oscillation experiments.
资助者: National NSF of China [1275101, 11135003, 10625522, 10635030]; National Basic Research Program [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000312028200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14956
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
He, HJ,Xu, XJ. Octahedral symmetry with geometrical breaking: New prediction for neutrino mixing angle theta(13) and CP violation[J]. PHYSICAL REVIEW D,2012,86(11):111301.
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