Study on the Production of t<span style="border-top: 1px solid; padding-top: 0px;">c</span> at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets

Zhang Zhaoxi; Li Xueqian; Yang Maozhi; Wang Jianxiong

Chinese Physics C> 1993, Vol. 17> Issue(S4) : 335-345

Study on the Production of tc at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets

1 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China;
2 Department of Physics, Nankai University, Tianjin, China;
3 Theory Group, KEK, Japan

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In this paper, the production rate of tc (or tc) in the e⁺e^- collision, i.e. e⁺e^-→tc (or tc), is computed in the Standard Model and its extension with two Higgs-doublets and the fourth generation of fermions included. The results show that even the mass of top quark is around 140 GeV/c², as predicted by the low energy phenomenology, the cross section of this process may still reach an observable value at LEPII, if the favorable parameters are taken in the extension model.

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Zhang Zhaoxi, Li Xueqian, Yang Maozhi and Wang Jianxiong. Study on the Production of tc at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets[J]. Chinese Physics C, 1993, 17(S4): 335-345.

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Received: 1992-07-11

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the Production of tc at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets

1 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China;

2 Department of Physics, Nankai University, Tianjin, China;

3 Theory Group, KEK, Japan

Received Date: 1992-07-11

Abstract: In this paper, the production rate of tc (or tc) in the e⁺e^- collision, i.e. e⁺e^-→tc (or tc), is computed in the Standard Model and its extension with two Higgs-doublets and the fourth generation of fermions included. The results show that even the mass of top quark is around 140 GeV/c², as predicted by the low energy phenomenology, the cross section of this process may still reach an observable value at LEPII, if the favorable parameters are taken in the extension model.

Study on the Production of tc at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets

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Study on the Production of tc at LEPII Energy in the Extended Standard Model with Two Higgs-Doublets

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