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arXiv 2103.08867hep-ph
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最小跷跷板模型的特殊纹理

Particular textures of the minimal seesaw model

Zhen-Hua Zhao, Yan-Bin Sun, Shan-Shan Jiang

摘要:

根据Occam剃刀原理,结合中微子实验结果和轻子生成理论,我们研究了最小跷跷板模型(其中轻中微子质量的产生仅由两个右手中微子$N^{}_1$和$N^{}_2$负责)中Dirac中微子质量矩阵的特殊纹理(纹理零和纹理相等).将对$N^{}_1$和$N^{}_2$的Majorana质量矩阵$M^{}_{\rm R}$的两种特定模式进行研究:(A)$M^{}_{\rm R}$为对角$ \left( \begin{array}{cc} M^{}_1 & 0 \cr 0 & M^{}_2 \cr \end{array} \right)$ ;(B)$M^{}_{\rm R}$为形式$\left( \begin{array}{cc} 0 & M \cr M & 0 \cr \end{array} \right)$。

英文摘要:

Following the Occam's razor principle, we explore the particular textures (featuring texture zeros and equalities) of the Dirac neutrino mass matrix in the minimal seesaw model (where only two right-handed neutrinos $N^{}_1$ and $N^{}_2$ are responsible for the generation of the light neutrino masses), in light of current neutrino experimental results and leptogenesis. The study will be performed for two particular patterns of the Majorana mass matrix $M^{}_{\rm R}$ for $N^{}_1$ and $N^{}_2$: (A) $M^{}_{\rm R}$ being diagonal $ \left( \begin{array}{cc} M^{}_1 & 0 \cr 0 & M^{}_2 \cr \end{array} \right)$; (B) $M^{}_{\rm R}$ being of the form $\left( \begin{array}{cc} 0 & M \cr M & 0 \cr \end{array} \right)$.

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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