【摘 要】
：
在顶色辅助的人工色(TC2)理论框架下,研究了顶夸克稀有衰变t →cV过程. 结果表明TC2模型预言的标量粒子top-pions和top-Higgs对顶夸克稀有衰变分支比的贡献可以使其比标准模
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在顶色辅助的人工色(TC2)理论框架下,研究了顶夸克稀有衰变t →cV过程. 结果表明TC2模型预言的标量粒子top-pions和top-Higgs对顶夸克稀有衰变分支比的贡献可以使其比标准模型预言值大6-9个数量级. 在大多数参数范围内,分支比的数量级为:Br(t →cg)～10-5, Br(t →cZ)～10-5, Br(t →cγ)～10-7. 在合理的参数范围内,顶夸克稀有衰变t →cV过程能够被未来的对撞机实验探测到. 因此,顶夸克稀有衰变过程为我们提供了一种检验TC2理论的方法.
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