Littlest Higgs Model and Associated ZH Production at High Energy e<SUP>+</SUP>e<SUP>-</SUP> Collider

WANG Shun-Zhi; YUE Chong-Xing; YU Dong-Qi

Chinese Physics C> 2004, Vol. 28> Issue(7) : 685-689

Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider

College of Physics and Information Engineering,Henan Normal University,Xinxiang 453002,China2 Department of Physics,Liaoning Normal University,Dalian 116029,China

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Abstract：
In the context of the littlest Higgs (LH) model, we consider the Higgs strahlung process e⁺e^-→ZH. We find that the correction effects on the process mainly come from the heavy photon A′. If we take the mixing angle c in the range of 0.85—1, the contributions of the heavy gauge boson Z′ can not be neglected. In most of the parameter space, the deviation of the total production cross section σ tot from its SM value is larger than 5%, which may be observable in the future high energy e⁺e^- collider (LC) experiments. The future LC experiments could test the LH model by measuring the cross section of the process e⁺e^-→ZH.

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[1]

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WANG Shun-Zhi, YUE Chong-Xing and YU Dong-Qi. Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider[J]. Chinese Physics C, 2004, 28(7): 685-689.

WANG Shun-Zhi, YUE Chong-Xing and YU Dong-Qi. Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider[J]. Chinese Physics C, 2004, 28(7): 685-689. shu

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Received: 2003-10-09
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider

Corresponding author: YUE Chong-Xing,

College of Physics and Information Engineering,Henan Normal University,Xinxiang 453002,China2 Department of Physics,Liaoning Normal University,Dalian 116029,China

Received Date: 2003-10-09

Accepted Date: 1900-01-01

Available Online: 2004-07-05

Abstract: In the context of the littlest Higgs (LH) model, we consider the Higgs strahlung process e⁺e^-→ZH. We find that the correction effects on the process mainly come from the heavy photon A′. If we take the mixing angle c in the range of 0.85—1, the contributions of the heavy gauge boson Z′ can not be neglected. In most of the parameter space, the deviation of the total production cross section σ tot from its SM value is larger than 5%, which may be observable in the future high energy e⁺e^- collider (LC) experiments. The future LC experiments could test the LH model by measuring the cross section of the process e⁺e^-→ZH.

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Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider

Littlest Higgs Model and Associated ZH Production at High Energy e⁺e^- Collider