顶夸克宽度的两圈轻夸克修正
高能物理 - 唯象学
2011-03-02 v1
摘要
我们描述了一种计算重夸克宽度中两圈费米子贡献的方法。首次获得了在夸克质量远大于衰变产物的极限下该效应的解析公式。该结果证实了先前的数值研究。
引用
@article{arxiv.hep-ph/9503444,
title = {Two-loop Light Quark Corrections To The Top Width},
author = {Andrzej Czarnecki},
journal= {arXiv preprint arXiv:hep-ph/9503444},
year = {2011}
}
备注
Dedicated to Professor K. Zalewski to honor his 60th Birthday, submitted to Acta Phys. Polonica, 5 pages, latex, postscript file including figures is available via anonymous ftp at (129.13.102.139) as ftp://ttpux2.physik.uni-karlsruhe.de/ttp95-15/ttp95-15.ps or via www at http://ttpux2.physik.uni-karlsruhe.de/cgi-bin/preprints/