Realistic construction of split fermion models
Realistic construction of split fermion models
复制标题
分裂费米子模型的现实构造
DOI：
10.1103/physrevd.67.015011
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发表时间：
2002
影响因子：
5
通讯作者：
G. Perez
中科院分区：
文献类型：
--
作者：
Y. Grossman;G. Perez
标准模型的味道结构可以用费米子局域在一个紧凑的额外维度的不同点上的理论来解释。我们表明，模型与两个散装标量紧的orbifold可以产生这样的分离，在一个自然的方式。我们研究了费米子波函数的形状和重叠。我们表明，一般来说，现实的高斯重叠模型是不自然的，因为它们需要费米子和体标量之间非常大的汤川耦合。我们给出了一个五维两标量模型的例子，该模型自然地解释了所观察到的夸克质量、混合角和CP破坏。
The Standard Model flavor structure can be explained in theories where the fermions are localized on different points in a compact extra dimension. We show that models with two bulk scalars compactified on an orbifold can produce such separations in a natural way. We study the shapes and overlaps of the fermion wave functions. We show that, generically, realistic models of Gaussian overlaps are unnatural since they require very large Yukawa couplings between the fermions and the bulk scalars. We give an example of a five dimensional two scalar model that accounts naturally for the observed quark masses, mixing angles and CP violation.