至三圈水平的轻子对电磁耦合常数的贡献
高能物理 - 唯象学
2009-10-31 v1
摘要
本注讨论了至三圈水平的轻子对电磁耦合常数运行值的贡献。特别强调双泡图的评估。
引用
@article{arxiv.hep-ph/9803313,
title = {Leptonic contribution to the effective electromagnetic coupling constant up to three loops},
author = {M. Steinhauser},
journal= {arXiv preprint arXiv:hep-ph/9803313},
year = {2009}
}
备注
5 pages (Latex) 2 figures