The little Higgs from a simple group

被引：221

作者：

Kaplan, DE ^{[1
]}

Schmaltz, M

机构：

[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[2] Boston Univ, Dept Phys, Boston, MA 02215 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2003年 / 10期

关键词：

beyond standard model; Higgs physics;

D O I：

10.1088/1126-6708/2003/10/039

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：

We present a model of electroweak symmetry breaking in which the Higgs boson is a pseudo-Nambu-Goldstone boson. By embedding the standard models SU(2) x U(1) into an SU(4) x U(1) gauge group, one-loop quadratic divergences to the Higgs mass from gauge and top loops are canceled automatically with the minimal particle content. The potential contains a Higgs quartic coupling which does not introduce one-loop quadratic divergences. Our theory is weakly coupled at the electroweak scale, it has new weakly coupled particles at the TeV scale and a cutoff above 10 TeV, all without fine tuning. We discuss the spectrum of the model and estimate the constraints from electroweak precision measurements.

引用

页码：947 / 969

页数：23

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