LARGE-NF EXPANSION FOR THE YUKAWA COUPLING

被引：13

作者：

AOKI, K

机构：

[1] Department of Physics, University of California at Los Angeles, Los Angeles

来源：

PHYSICAL REVIEW D | 1991年 / 44卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.44.1547

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By enlarging the number of fermion species and scalar fields, we generalize the Yukawa-Higgs sector of the standard model. We solve this model to leading order in a 1/N(F) expansion. We study the behavior of the fermion mass and the width when they are below the cutoff scale of the theory. Other Yukawa-Higgs models with different chiral structures are also studied. We find that the mass of the fermion is finite and is below the cutoff scale for any finite on-shell Yukawa coupling in the chiral models.

引用

页码：1547 / 1554

页数：8

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