Loop induced decays of the little Higgs:: H→gg, γγ

被引：122

作者：

Han, T ^{[1
]}

Logan, HE ^{[1
]}

McElrath, B ^{[1
]}

Wang, LT ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

PHYSICS LETTERS B | 2003年 / 563卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(03)00657-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze the loop induced decays of the Higgs boson into pairs of gluons and photons in the littlest Higgs model. We find that the deviation of the partial widths for these decays relative to their Standard Model values scales with 1/f(2), where f similar to TeV is the mass scale of the new heavy particles in the model. For f = 1 TeV, Gamma(H --> gg) is reduced by 5-10% and Gamma(H --> gammagamma) is modified by +10% to -20% compared to their Standard Model values. While the LHC and a linear e(+)e(-) collider would be sensitive to these deviations only for relatively low values of f; I TeV, a photon collider could probe the deviation in Gamma(H --> gammagamma) up to f less than or similar to 1.8 (1.2) TeV at the 2 (5) sigma level. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：191 / 202

页数：12