QCD Corrections to Hadronic Z and tau Decays

Details QCD Corrections to Hadronic Z and tau Decays QCD Corrections to Hadronic Z and tau Decays

2003-11-11

arxiv.org/abs/hep-ph/0311137v2

Eur.Phys.J.C33:s650-s652,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

revised version (some references corrected); 3 pages, talk given at International Europhysics Conference on High Energy Physic

Scientific paper

10.1140/epjcd/s2004-03-1839-8

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.

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