CUSTODIAL SU(2) VIOLATION AND THE ORIGIN OF FERMION MASSES

被引：4

作者：

BLUMHOFER, A

LINDNER, M

机构：

[1] Institut für Theoretische Physik der Universität Heidelberg, 69120 Heidelberg

来源：

NUCLEAR PHYSICS B | 1993年 / 407卷 / 01期

关键词：

D O I：

10.1016/0550-3213(93)90278-W

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Custodial SU(2) breaking due to dynamical fermion masses is studied in a rather general context and it is shown how some well-known limiting cases are correctly described. The type of ''gap equation'' which can systematically lead to extra negative contributions to the so-called rho-parameter is emphasized. Furthermore, general model independent features are discussed, and it is shown how electro-weak precision measurements can be sensitive to the fermion content and/or dynamical features of a given theory.

引用

页码：173 / 190

页数：18

共 23 条

[11] POSSIBLE CURE FOR DIFFICULTIES IN EXTENDED HYPERCOLOR MODELS [J].