Muon g-2 in the littlest Higgs model

被引：3

作者：

Tabbakh, Farshid ^{[1
]}

Liu Jing-Jing ^{[1
]}

Ma Wen-Gan ^{[1
]}

机构：

[1] USTC, Dept Modern Phys, Hefei 230027, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2006年 / 45卷 / 05期

关键词：

littlest Higgs model; anomalous magnetic dipole moment of muon;

D O I：

10.1088/0253-6102/45/5/026

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, the anomalous magnetic dipole moment of muon in the littlest Higgs (LH) model is studied at one-loop level. We discuss the dependence of the contributions on the global symmetry breaking scale f, mixing angles c and c', and the Higgs triplet vacuum expectation value -v' in the electroweak precision data preferring ranges. We End that the LH model can give a relatively small, but non-negligible extra weak contribution to the muon anomalous magnetic moment and can reduce the deviation of Delta alpha(mu) from 2.6 sigma for the SM to 2.5 sigma for t he LH model.

引用

页码：894 / 900

页数：7

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