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
收藏
页码：894 / 900
页数：7
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