On the quasi-fixed point in the running of CP-violating phases of Majorana neutrinos
Luo S(罗舒); Xing ZZ(邢志忠); Luo, S; Xing, ZZ
刊名PHYSICS LETTERS B
2006
卷号637期号:4-5页码:#REF!
学科分类Physics
DOI10.1016/j.physletb.2006.04.038
通讯作者Xing, ZZ (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
文章类型Article
英文摘要Taking the standard parametrization of three-flavor neutrino mixing, we carefully examine the evolution of three CP-violating phases (delta, alpha(1), alpha(2)) with energy scales in the realistic limit theta(13) -> 0. If m(3) vanishes, we find that the one-loop renormalization-group equation (RGE) of delta does not diverge and its running has no quasi-fixed point. When m(3) not equal 0 holds, we show that the continuity condition derived by Antusch et al. is always valid, no matter whether the tau-dominance approximation is taken or not. The RGE running of delta undergoes a quasi-fixed point determined by a nontrivial input of alpha(2) in the limit m(1) -> 0. If three neutrino masses are nearly degenerate, it is also possible to arrive at a quasi-fixed point in the RGE evolution of delta from the electroweak scale to the seesaw scale or vice versa. Furthermore, the continuity condition and the quasi-fixed point of CP-violating phases in another useful parametrization are briefly discussed. (c) 2006 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000238399200012
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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.ihep.ac.cn/handle/311005/227374
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Luo S,Xing ZZ,Luo, S,et al. On the quasi-fixed point in the running of CP-violating phases of Majorana neutrinos[J]. PHYSICS LETTERS B,2006,637(4-5):#REF!.
APA 罗舒,邢志忠,Luo, S,&Xing, ZZ.(2006).On the quasi-fixed point in the running of CP-violating phases of Majorana neutrinos.PHYSICS LETTERS B,637(4-5),#REF!.
MLA 罗舒,et al."On the quasi-fixed point in the running of CP-violating phases of Majorana neutrinos".PHYSICS LETTERS B 637.4-5(2006):#REF!.
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