中文

标准模型中高能e^+e^-对撞机上顶-粲夸克联合产生

高能物理 - 唯象学 2009-10-31 v1

摘要

研究了标准模型中e+etcˉe^+e^-\to t\bar ctˉc\bar t c过程产生顶点的味改变中性流tcV (V=\gamma,Z)耦合。进行了保持所有夸克质量非零的精确计算。发现总产生截面在s=200GeV\sqrt s =200 GeV时为1.84×1091.84 \times 10^{-9} fb,在s=500GeV\sqrt s =500 GeV时为0.572×1090.572 \times 10^{-9} fb。该结果比参考文献\cite{clwy}中给出的结果小10510^{-5}倍。

关键词

引用

@article{arxiv.hep-ph/9901369,
  title  = {Top-Charm Associated Production at High Energy e^+e^- Colliders in Standard Model},
  author = {Chao-Shang Huang and Xiao-Hong Wu and Shou-Hua Zhu},
  journal= {arXiv preprint arXiv:hep-ph/9901369},
  year   = {2009}
}

备注

12 pages including 1 ps figure and 2 eps figures