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
刊名PHYSICAL REVIEW D
2006
卷号73期号:1页码:13001
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhyRevD.73.013001
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
文章类型Article
英文摘要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.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000235009900012
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240407
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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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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