| Associated production of a neutral top-Higgs with a heavy-quark pair in the γγ collisions at ILC |
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| 作者单位： | HUANG Jin-Shu(College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, China);LU Gong-Ru,XU Wei(College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China);WANG Shuai-Wei(College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, China) |
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| 摘 要： | We have studied the associated production processes of a neutral top-Higgs in the topcolor assisted technicolor model with a pair of heavy quarks in γγ collisions at the International Linear Collider (ILC). We find that the cross section for ttht in γγ collisions is at the level of a few fb with the c.m. energy √s=1000 GeV, which is consistent with the results of the cross section of ttH in the standard model and the cross section of tth in the minimal supersymmetric standard model. It should be clear that hundreds of to thousands of ht per year can be produced at the ILC. This process of γγ→ttht is really interesting in testing the standard model and searching the signs of technicolor.
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| 收稿时间： | 2010-08-05 |
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