Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-11-06
JHEP 0011 (2000) 037
Physics
High Energy Physics
High Energy Physics - Phenomenology
Some minor corrections and improved discussion in the one-loop section
Scientific paper
10.1088/1126-6708/2000/11/037
Some practical applications of algebraic renormalization are discussed. In particular we consider the two-loop QCD corrections to the three-gauge-boson vertices involving photons, Z and W bosons. For this purpose also the corresponding two-point functions have to be discussed. A recently developed procedure is used to analyze the breaking terms of the functional identities and explicit formulae for the universal counterterms are provided. Special attention is devoted to the treatment of infra-red divergences.
Grassi Pietro Antonio
Hurth Tobias
Steinhauser Matthias
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