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Possible deviation from the tri-bimaximal neutrino mixing in a seesaw model
Kang, SK; Xing ZZ(邢志忠); Zhou S(周顺); Xing, ZZ; Zhou, S
2006
发表期刊PHYSICAL REVIEW D
卷号73期号:1页码:13001
通讯作者Seoul Natl Univ, Sch Phys, Seoul 151734, South Korea ; CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要We propose a simple but suggestive seesaw model with two phenomenological conjectures: three heavy (right-handed) Majorana neutrinos are degenerate in mass in the symmetry limit and three light Majorana neutrinos have the tri-bimaximal mixing pattern V-0. We show that a small mass splitting between the first generation and the other two generations of heavy Majorana neutrinos is responsible for the deviation of the solar neutrino mixing angle theta(12) from its initial value 35.3 degrees given by V-0, and the slight breaking of the mass degeneracy between the second and third generations of heavy Majorana neutrinos results in a small mixing angle theta(13) and a tiny departure of the atmospheric neutrino mixing angle theta(23) from 45 degrees. It turns out that a normal hierarchy of the light neutrino mass spectrum is favored in this seesaw scenario.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics
DOI10.1103/PhyRevD.73.013001
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语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000235009900012
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被引频次:36[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/311005/240407
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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GB/T 7714
Kang, SK,Xing ZZ,Zhou S,et al. Possible deviation from the tri-bimaximal neutrino mixing in a seesaw model[J]. PHYSICAL REVIEW D,2006,73(1):13001.
APA Kang, SK,邢志忠,周顺,Xing, ZZ,&Zhou, S.(2006).Possible deviation from the tri-bimaximal neutrino mixing in a seesaw model.PHYSICAL REVIEW D,73(1),13001.
MLA Kang, SK,et al."Possible deviation from the tri-bimaximal neutrino mixing in a seesaw model".PHYSICAL REVIEW D 73.1(2006):13001.
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