PATTERNS OF DEVIATION FROM THE STANDARD MODEL

被引：264

作者：

ARZT, C

EINHORN, MB

WUDKA, J

机构：

[1] UNIV MICHIGAN,RANDALL LAB PHYS,ANN ARBOR,MI 48109

[2] UNIV CALIF RIVERSIDE,DEPT PHYS,RIVERSIDE,CA 92521

来源：

NUCLEAR PHYSICS B | 1995年 / 433卷 / 01期

关键词：

D O I：

10.1016/0550-3213(94)00336-D

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：

Effective lagrangians can be used to parametrize the effects of physics beyond the Standard Model. Assuming the complete theory is a gauge theory, we determine which effective operators may be generated at tree level, and which are only generated at loop level. The latter are suppressed by factors of 1/16 pi(2) and will therefore be quite difficult to detect. In particular, all operators changing the Standard-Model structure of the triple-gauge-vector couplings fall into this category. We also point out that in certain cases, dimension-eight operators may be more important than dimension-six operators. We discuss both the linear and non-linear representation of the Higgs sector.

引用

页码：41 / 66

页数：26

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