Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-04-21
Phys.Rev. D70 (2004) 015001
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 11 figures
Scientific paper
10.1103/PhysRevD.70.015001
The Higgs boson pair production process at hadron collider provides an opportunity for performing a study of the trilinear Higgs boson self-coupling. In this paper, we analyze the pair production of a neutral Higgs boson via both gluon-gluon and $b$-$\bar{b}$ fusions in the littlest Higgs (LH) model at the CERN LHC. We find that in some parameter space the relative corrections of the total cross section to the SM prediction may reach a value of 24% when $x ~ (=4 f v'/v^2)=0.95$ at the LHC. We conclude that if the parameter $x$ has a value above 0.8, the relative corrections contributed by the LH model reach values beyond 8% and can be observed at the LHC.
Gang Li
Hong-Sheng Hou
Jing-Jing Liu
Ren-You Zhang
Wen-gan Ma
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