夸克色动力学对强子Z和τ衰变的修正
高能物理 - 唯象学
2009-03-16 v2
摘要
我们简要报告了最近进行的关于强子Z和τ衰变率的计算,其中包含阶数为O(\alpha_s^4 n_f^2)和O(\alpha_s^4 n_f^2 m_q^2)的项。文中简要介绍了在计算过程中出现的积分解析评估的细节。
引用
@article{arxiv.hep-ph/0311137,
title = {QCD Corrections to Hadronic Z and tau Decays},
author = {P. A. Baikov and K. G. Chetyrkin and J. H. Kuehn},
journal= {arXiv preprint arXiv:hep-ph/0311137},
year = {2009}
}
备注
revised version (some references corrected); 3 pages, talk given at International Europhysics Conference on High Energy Physics, Aachen, Germany, 17-23 July 2003