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.
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页数：17
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