Yukawa sector in nonsupersymmetric renormalizable SO(10)

Yukawa sector in nonsupersymmetric renormalizable SO(10)
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非超对称可重整 SO(10) 中的汤川扇区

DOI:
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发表时间:
2005
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通讯作者:
F. Vissani
F. Vissani
中科院分区:
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文献类型:
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作者:
B. Bajc;A. Melfo;G. Senjanovic;F. Vissani

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我们讨论普通的非超对称SO(10)作为费米子质量和混合的理论。我们构造了基于126{sub H}和10{sub H}或120{sub H}的汤川扇区的两个最小版本。后一种情况特别令人感兴趣,因为它将绝对中微子质量尺度与大气混合角{θ}{sub A}的大小联系起来。它还将V{sub cb}的小与{theta}{sub A}的大联系起来。这些结果是基于对第二代和第三代的分析研究。此外,我们讨论了轻希格斯粒子的结构和Peccei-Quinn对称性对暗物质的作用以及理论的预言性。
We discuss the ordinary, nonsupersymmetric SO(10) as a theory of fermion masses and mixings. We construct two minimal versions of the Yukawa sector based on 126{sub H} and either 10{sub H} or 120{sub H}. The latter case is of particular interest since it connects the absolute neutrino mass scale with the size of the atmospheric mixing angle {theta}{sub A}. It also relates the smallness of V{sub cb} with the largeness of {theta}{sub A}. These results are based on the analytic study of the second and third generations. Furthermore, we discuss the structure of the light Higgs and the role of the Peccei-Quinn symmetry for dark matter and the predictivity of the theory.