Production of the new gauge boson B<SUB>H</SUB> via e<SUP>－</SUP> collision in the littlest Higgs model

WANG Xue-Lei; JIN Zhen-Lan; ZENG Qing-Guo

doi:10.1088/1674-1137/32/3/001

Chinese Physics C> 2008, Vol. 32> Issue(3) : 165-171 DOI: 10.1088/1674-1137/32/3/001

Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model

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Abstract：
The lightest new gauge boson B_H with mass of hundreds GeV is predicted in the littlest Higgs model. B_H should be accessible in the planned ILC and the observation of such particle can strongly support the littlest Higgs model. The realization of γγ and e^－γ collisions would open a wider window to probe B_H. In this paper, we study the new gauge boson B_H production processes e－γ→e－γ
B_H and e－γ→e－ZB_H at the ILC. Our results show that the production cross section of the process e－γ→e－ZB_H is less than 0.1fb in most parameter spaces allowed by the electroweak precision data while the cross section of the process e－γ→e－γB_H can be over one fb in the favorable parameter spaces. With the high luminosity, the enough typical signals could be produced via ee－γ→e－γB_H.
Because the final electron and photon beams can be easily identified and the signal can be easily distinguished from the backgrounds produced by Z and H decaying, e－γ→e－γB_H is a promising process to probe B_H.

References

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WANG Xue-Lei, JIN Zhen-Lan and ZENG Qing-Guo. Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model[J]. Chinese Physics C, 2008, 32(3): 165-171. doi: 10.1088/1674-1137/32/3/001

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Received: 2007-04-23
Revised: 2007-07-17

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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

Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model

Corresponding author: WANG Xue-Lei,

Received Date: 2007-04-23

Accepted Date: 2007-07-17

Available Online: 2008-03-05

Abstract:

The lightest new gauge boson B_H with mass of hundreds GeV is predicted in the littlest Higgs model. B_H should be accessible in the planned ILC and the observation of such particle can strongly support the littlest Higgs model. The realization of γγ and e^－γ collisions would open a wider window to probe B_H. In this paper, we study the new gauge boson B_H production processes e－γ→e－γ
B_H and e－γ→e－ZB_H at the ILC. Our results show that the production cross section of the process e－γ→e－ZB_H is less than 0.1fb in most parameter spaces allowed by the electroweak precision data while the cross section of the process e－γ→e－γB_H can be over one fb in the favorable parameter spaces. With the high luminosity, the enough typical signals could be produced via ee－γ→e－γB_H.
Because the final electron and photon beams can be easily identified and the signal can be easily distinguished from the backgrounds produced by Z and H decaying, e－γ→e－γB_H is a promising process to probe B_H.

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Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model

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Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model

Production of the new gauge boson B_H via e^－ collision in the littlest Higgs model