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Generalized tri-bimaximal neutrino mixing and its sensitivity to radiative corrections
Luo S(罗舒); Xing ZZ(邢志忠); Luo, S; Xing, ZZ
2006
发表期刊PHYSICS LETTERS B
卷号632期号:2-3页码:341-348
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要We argue that the tri-bimaximal neutrino mixing pattern V-0 or its generalized form V-0('), which includes two arbitrary Majorana phases of CP violation, may result from an underlying flavor symmetry at a superhigh energy scale close to the seesaw scale (similar to 10(14) GeV). Taking the working assumption that three neutrino masses are nearly degenerate, we calculate radiative corrections to V-0 and V-0(') in their evolution down to the electroweak scale (similar to 10(2) GeV). Three mixing angles of V-0 or V-0(') are essentially stable against radiative corrections in the standard model (SM). In the minimal supersymmetric standard model (MSSM), however, V-0 is in general disfavored and V-0(') can be compatible with current neutrino oscillation data if its two Majorana phases alpha(1) and alpha(2) are properly fine-tuned. We also find that it is possible to radiatively generate the CP-violating phase delta from alpha(1) and alpha(2), and delta may keep on staying at its quasi-fixed point in either the SM or the MSSM. (c) 2005 Elsevier B.V. All rights reserved.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1016/j.physletb.2005.10.068
URL查看原文
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000234727200034
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被引频次:72[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237062
专题理论物理室
作者单位中国科学院高能物理研究所
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Luo S,Xing ZZ,Luo, S,et al. Generalized tri-bimaximal neutrino mixing and its sensitivity to radiative corrections[J]. PHYSICS LETTERS B,2006,632(2-3):341-348.
APA 罗舒,邢志忠,Luo, S,&Xing, ZZ.(2006).Generalized tri-bimaximal neutrino mixing and its sensitivity to radiative corrections.PHYSICS LETTERS B,632(2-3),341-348.
MLA 罗舒,et al."Generalized tri-bimaximal neutrino mixing and its sensitivity to radiative corrections".PHYSICS LETTERS B 632.2-3(2006):341-348.
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