Higgs boson pair production process $e^+e^-\to ZHH$ in the littlest Higgs model at the ILC

Details Higgs boson pair production process $e^+e^-\to ZHH$ in the littlest Higgs model at the ILC Higgs boson pair production process $e^+e^-\to ZHH$ in the littlest Higgs model at the ILC

2006-09-20

arxiv.org/abs/hep-ph/0609208v6

J.Phys.G33:577-586,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages,4 figures

Scientific paper

10.1088/0954-3899/34/3/015

The physics prospect at future linear $e^{+}e^{-}$ colliders for the study of the Higgs triple self-coupling via the process of $e^{+}e^{-}\to ZHH$ is investigated. In this paper, we calculate the contribution of the new particles predicted by the littlest Higgs model to the cross sections of this process in the future high energy $e^{+}e^{-}$ collider($ILC$). The results show that, in the favorable parameter spaces preferred by the electroweak precision, the deviation of the total cross sections from its $SM$ value varies from a few percent to tens percent, which may be detected at the future $ILC$ experiments with $\sqrt{s}$=500GeV.

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