| ILC上Z玻色子与荷电top-pion对联合产生过程的研究 |
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| 引用本文： | 韩金钟,秦臻,王学雷.ILC上Z玻色子与荷电top-pion对联合产生过程的研究[J].物理学报,2012,61(4):41201-041201. |
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| 作者姓名： | 韩金钟 秦臻 王学雷 |
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| 作者单位： | 1. 河南师范大学物理与信息工程学院,新乡,453007
2. 华北水利水电学院,郑州,450011 |
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| 基金项目： | 国家自然科学基金(批准号: 10775039)和教育部博士点基金(批准号: 20094104110001)资助的课题. |
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| 摘 要： | 在国际直线对撞机(ILC)上顶色辅助的人工色(TC2)模型下对Z玻色子与荷电top-pion对联合产生过程e+e- → Zπt+πt-进行了研究. 计算了过程e+e- → Zπt+πt-的产生截面, 发现在TC2模型所允许的参数空间范围之内该过程的截面最大可达到1 fb. 考虑到荷电top-pion的主要的衰变模式πt+ → tb, 发现该截面在ILC能产生很可观的事例数.
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| 关 键 词： | 顶色辅助人工色模型 直线对撞机 散射截面 |
| 收稿时间： | 2011-04-20 |
| 修稿时间： | 5/9/2011 12:00:00 AM |
Joint production of Z boson and charged top-pion pair at the ILC |
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| Han Jin-Zhong,Qin Zhen and Wang Xue-Lei.Joint production of Z boson and charged top-pion pair at the ILC[J].Acta Physica Sinica,2012,61(4):41201-041201. |
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| Authors: | Han Jin-Zhong Qin Zhen and Wang Xue-Lei |
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| Institution: | College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;North China University of Water Resources and Electric Power, Zhengzhou 450011, China;College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China |
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| Abstract: | In this paper,we investigate the joint production of charged top-pions pair and Z gauge boson in the topcolor-assisted technicolor (TC2) at the International Linear Collider(ILC) via the process e~+e~-→Zπ_t~+π_t~-.We calculate the production cross section of the process e~+e~-→Zπ_t~+π_t~- and find that the cross section of the process e~+e~-→Zπ_t~+π_t~- can reach 1 fb in a reasonable parameter space of the TC2 model.Considering the main decay mode of charged top-pionπ_t~+→tb,we find that such a production may provide copious events at the ILC. |
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| Keywords: | topcolor-assisted technicolor model international linear collider cross section |
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