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arXiv 1003.1006hep-ph
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具有零纹理和消失子的中微子质量矩阵

Neutrino Mass Matrices with a Texture Zero and a Vanishing Minor

S. Dev, Surender Verma, Shivani Gupta, R. R. Gautam

摘要:

我们研究了中微子质量矩阵中同时存在的零纹理和消失的小调的含义。这种类型有36种可能的纹理结构,其中21种减少到两种纹理零的情况下,已经被广泛研究。在剩下的15个纹理中,只有6个是当前数据允许的。我们研究了Majorana型CP破坏相,1-3混合角和Dirac型CP破坏相的允许织构结构的唯象意义。所有这些可能的纹理都可以通过跷跷板机制产生,并在离散阿贝尔味对称的框架下实现。我们提出了这些纹理结构的对称实现。

英文摘要:

We study the implications of the simultaneous existence of a texture zero and a vanishing minor in the neutrino mass matrix. There are thirty six possible texture structures of this type, twenty one of which reduce to two texture zero cases which have, already, been extensively studied. Of the remaining fifteen textures only six are allowed by the current data. We examine the phenomenological implications of the allowed texture structures for Majorana type CP-violating phases, 1-3 mixing angle and Dirac type CP-violating phase. All these possible textures can be generated through the seesaw mechanism and realized in the framework of discrete abelian flavor symmetry. We present the symmetry realization of these texture structures.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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