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arXiv 1111.7278hep-ph
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实和复随机中微子质量矩阵与theta13

Real and complex random neutrino mass matrices and theta13

Janusz Gluza, Robert Szafron

摘要:

最近的研究表明,中微子扇区的基本参数之一,即所谓的θ 13角,非常小,但很可能不为零。我们认为,θ 13的小值仍然可以很容易地复制广泛的随机产生的中微子质量模型。为此,我们考虑真实的和复杂的中微子质量矩阵,也包括不育中微子。在小θ 13值的区域中,观察到真实和复杂质量矩阵的结果之间的定性差异。我们表明,统计上目前的实验数据更喜欢随机模型的中微子质量与不育中微子。

英文摘要:

Recently it has been shown that one of the basic parameters of the neutrino sector, so called theta13 angle is very small, but quite probably non-zero. We argue that the small value of theta13 can still be reproduced easily by a wide spectrum of randomly generated models of neutrino masses. For that we consider real and complex neutrino mass matrices, also including sterile neutrinos. A qualitative difference between results for real and complex mass matrices in the region of small theta13 values is observed. We show that statistically the present experimental data prefers random models of neutrino masses with sterile neutrinos.

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