Electroweak effective operators and Higgs physics

被引：56
作者：
Chen, Chien-Yi [1 ]
Dawson, S. [1 ]
Zhang, Cen [2 ]
机构：
[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[2] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, B-1348 Louvain, Belgium
来源：
PHYSICAL REVIEW D | 2014年 / 89卷 / 01期
关键词：
EFFECTIVE-FIELD THEORY; GAUGE-BOSON COUPLINGS;
D O I：
10.1103/PhysRevD.89.015016
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We derive bounds from oblique parameters on the dimension-6 operators of an effective field theory of electroweak gauge bosons and the Higgs doublet. The loop-induced contributions to the Delta S, Delta T, and Delta U oblique parameters are sensitive to these contributions, and we pay particular attention to the role of renormalization when computing loop corrections in the effective theory. Limits on the coefficients of the effective theory from loop contributions to oblique parameters yield complementary information to direct Higgs production measurements.
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页数：18
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