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强子对撞机上top-pion介子与t夸克的关联产生 被引量:1

The Production of the Top-pions Associated with Top Quark At Hadron Colliders
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摘要 Top-pion介子作为TC2理论特征粒子,它的存在与否是验证TC2模型的最直接的证据之一.我们在TC2模型框架下,对强子对撞机上带电top-pion介子与t夸克的关联产生过程(pp(p-p)→tΠt-)进行了研究.结果表明:在Tevatron上,通过该过程不易探测到带电的top-pion介子;而在LHC上,该过程年产生事例数可达104量级.因此,在LHC上很有希望探测到top-pion介子,并进一步检验TC2模型. In the topcolor-assistant technicolor (TC2) model, the research studies the production processes of the charged top-pion pp(pp→tПt^- )at Hadron colliders. It has been found that the charged top-pions are not favorable by the Tevatron experiments via thepp--~tlI~ processes ; At the LHC, however, the cross section of pp→tПt^- can reach the level of 14 -79 pb. 104 events can be generated per year at the LHC experiments. Furthermore, the possible signals of the charged top-piontПt^- at the near future LHC through this process can be detected.
出处 《河南师范大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第4期59-62,共4页 Journal of Henan Normal University(Natural Science Edition)
基金 国家自然科学基金(1057502910847120) 河南省基础与前沿基础研究项目(072300410310) 河南省教育厅自然科学研究计划项目(2009140004) 河南师范大学校青年基金(200804) 河南师范大学博士启动经费支持项目(080205) 河南省高等学校青年骨干教师资助计划资助
关键词 TC2模型 强子对撞机 TOP-PION介子 产生截面 topcolor assisted Technicolor(TC2) model Hadron colliders top-pion production cross section
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