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arXiv 0804.4515hep-ph
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味2(\leftrightarrow)3对称性质量矩阵模型的夸克混合

Quark Mixing from Mass Matrix Model with Flavor 2 (\leftrightarrow) 3 Symmetry

Hiroyuki Nishiura, Koichi Matsuda, Takeshi Fukuyama

摘要:

我们考虑一个普遍的质量矩阵模型,它具有一个跷跷板不变的结构与最一般的纹理的基础上味2(\leftrightarrow)3对称性共同的所有夸克和轻子。分析了该模型的CKM夸克混合矩阵。结果表明,通过调整模型的自由参数,该模型与夸克混合的所有实验数据都是一致的。我们还表明,与实验数据一致的本模型的参数值是不远的质量矩阵模型与消失(1,1)元素。

英文摘要:

We consider an universal mass matrix model which has a seesaw-invariant structure with the most general texture based on flavor 2 (\leftrightarrow) 3 symmetry common to all quarks and leptons. The CKM quark mixing matrix of the model is analyzed. It is shown that the model is consistent with all the experimental data of quark mixings by tuning free parameters of the model. We also show that the values of parameters of the present model consistent with the experimental data are not far from the ones of the mass matrix model with a vanishing (1,1) element.

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