Flavor-Changing Neutral-Current Production of t-c in Association with a Neutral Top-Higgs at LHC in the Topcolor-Assisted Technicolor Model
Flavor-Changing Neutral-Current Production of t-c in Association with a Neutral Top-Higgs at LHC in the Topcolor-Assisted Technicolor Model作者机构：College of Physics and Information Engineering Henan Normal University Xinxiang 453007
出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)
年 卷 期：2010年第27卷第3期
页 面：88-91页
核心收录：
学科分类：07[理学] 070201[理学-理论物理] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学]
基 金：Supported by the National Natural Science Foundation of China under Grant No 10975047 and the Specialized Research Fund for the Doctoral Programme of Higher Education of China under Grant No 20060476002. 20060476002
主 题：Models Productivity Products Production Topping Harvesting Pruning
摘 要：In the framework of the topcolor-assisted technicolor （TC2） model we investigate the flavor-changing neutral-current production pp→ t-chto at the Large Hadron Collider （LHC）, which proceeds through the parton-level processes gg→ t-chto , uu→ t-chto and d-d → t-chto . We calculate the production rate and present the distributions of the transverse momenta and the invarient mass of the neutral top-higgs. It is found that the cross section of pp→ t-chto can reach a few hundreds of fb in a large part of the allowed parameter space. Considering the main decay mode of top-higgs for mht〈2mt, we find that such a production may provide copious events. In the case of unobservation, the LHC can set meaningful constraints on the TC2 model.
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