The littlest Higgs model and Higgs boson associated production with top quark pair at high energy linear $e^{+}{e}^{-}$ collider

Abstract

In the parameter space allowed by the electroweak precision measurement data, we consider the contributions of the new particles predicted by the littlest Higgs($LH$) model to the Higgs boson associated production with top quark pair in the future high energy linear $e^{+}{e}^{-}$ collider($ILC$). We find that the contributions mainly come from the new gauge bosons $Z_H$ and $B_H$. For reasonable values of the free parameters, the absolute value of the relative correction parameter $\delta \sigma /{\sigma }^{SM}$ can be significanly large, which might be observed in the future $ILC$ experiment with $\sqrt{S}=800GeV$.

latex files, 13 pages, 3 figures

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Cited by in corpus (5)

• Physics at the e+ e- Linear Collider
• Production of htt_bar and htT_bar in littlest Higgs model with T-parity
• The effects of the little Higgs models on $t\bar{t}{h}^0$ production via $\gamma \gamma$ collision at linear colliders
• Effects of the littlest Higgs model with T-parity on Higgs boson production at high energy $e^{+}{e}^{-}$ colliders
• Associated production of the Higgs boson and a single top quark in the littlest Higgs model at Large Hadron Collier