arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1209.0547hep-ph
收藏

极化线性e^+ e^-对撞机上t t棒产生中O(alpha_s)处的单顶夸克极化

Single top quark polarization at O(alpha_s) in t t-bar production at a polarized linear e^+ e^- collider

S. Groote, J. G. Körner, B. Melić, S. Prelovsek

摘要:

本文详细研究了在极化线性e^+ e^-对撞机上用纵向极化光束产生t t棒时顶夸克的非线性光学极化。通过适当地调节光束的偏振,可以在大范围的能量下在前半球的大部分区域上获得接近最大值的顶夸克偏振。这是非常受欢迎的,因为前半球的比率最大。还可以调谐光束偏振以在前半球的大部分上获得接近零的偏振。

英文摘要:

We present a detailed investigation of the NLO polarization of the top quark in t t-bar production at a polarized linear e^+ e^- collider with longitudinally polarized beams. By appropiately tuning the polarization of the beams one can achieve close to maximal values for the top quark polarization over most of the forward hemisphere for a large range of energies. This is quite welcome since the rate is largest in the forward hemisphere. One can also tune the beam polarization to obtain close to zero polarization over most of the forward hemisphere.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑