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Flavor democracy and type-II seesaw realization of bilarge neutrino mixing
Rodejohann, W; Xing ZZ(邢志忠); Xing, ZZ
2004
发表期刊PHYSICS LETTERS B
卷号601期号:3-4页码:176-183
通讯作者Scuola Internazl Super Studi Avanzati, I-34014 Trieste, Italy ; Ist Nazl Fis Nucl, Sez Trieste, I-34014 Trieste, Italy ; CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要We generalize the democratic neutrino mixing ansatz by incorporating the type-II seesaw mechanism with S(3) flavor symmetry. For only the triplet mass term or only the conventional seesaw term large neutrino mixing can be achieved only by assuming an unnatural suppression of the flavor democracy contribution. We show that bilarge neutrino mixing can naturally appear if the flavor democracy term is strongly suppressed due to significant cancellation between the conventional seesaw and triplet mass terms. Explicit S(3) symmetry breaking yields successful neutrino phenomenology and various testable correlations between the neutrino mass and mixing parameters. Among the results are a normal neutrino mass ordering, 0.005 < \U-e3\ < 0.057, 1 - sin(2)2theta(23) greater than or equal to 0.005, positive J(CP) and moderate cancellation in the effective mass of the neutrinoless double beta decay. (C) 2004 Elsevier B.V. All rights reserved.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1016/j.physletb.2004.09.061
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000224926400009
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被引频次:23[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/311005/236841
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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Rodejohann, W,Xing ZZ,Xing, ZZ. Flavor democracy and type-II seesaw realization of bilarge neutrino mixing[J]. PHYSICS LETTERS B,2004,601(3-4):176-183.
APA Rodejohann, W,邢志忠,&Xing, ZZ.(2004).Flavor democracy and type-II seesaw realization of bilarge neutrino mixing.PHYSICS LETTERS B,601(3-4),176-183.
MLA Rodejohann, W,et al."Flavor democracy and type-II seesaw realization of bilarge neutrino mixing".PHYSICS LETTERS B 601.3-4(2004):176-183.
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