Effective-field-theory approach to top-quark production and decay

被引：159

作者：

Zhang, Cen ^{[1
]}

Willenbrock, Scott ^{[1
]}

机构：

[1] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW D | 2011年 / 83卷 / 03期

关键词：

CP VIOLATION; PAIR PRODUCTION; NONSTANDARD INTERACTIONS; GENERAL-ANALYSIS; ENERGY-SPECTRUM; W-HELICITY; COUPLINGS; TEVATRON; STANDARD; PHYSICS;

D O I：

10.1103/PhysRevD.83.034006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss new physics in top-quark interactions, using an effective-field-theory approach. We consider top-quark decay, single top production, and top-quark pair production. We identify 15 dimension-six operators that contribute to these processes, and we compute the deviation from the standard model induced by these operators. The results provide a systematic way of searching for (or obtaining bounds on) physics beyond the standard model.

引用

页数：17

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