QCD Corrections to Hadronic Z and tau Decays
High Energy Physics - Phenomenology
2009-03-16 v2
Abstract
We present a brief (mainly bibliographical) report on recently performed calculations of terms of order O(\alpha_s^4 n_f^2) and O(\alpha_s^4 n_f^2 m_q^2) for hadronic Z and \tau decay rates. A few details about the analytical evaluation of the masters integrals appearing in the course of calculations are presented.
Cite
@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}
}
Comments
revised version (some references corrected); 3 pages, talk given at International Europhysics Conference on High Energy Physics, Aachen, Germany, 17-23 July 2003