The QCD Splitting Functions at Three Loops: Methods and Results

Details The QCD Splitting Functions at Three Loops: Methods and Results The QCD Splitting Functions at Three Loops: Methods and Results

2004-08-05

arxiv.org/abs/hep-ph/0408075v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX, 6 figures. Presented by S.M. and J.A.M.V. at Loops and Legs 2004, Zinnowitz (Germany), April 2004

Scientific paper

10.1016/j.nuclphysbps.2004.09.05

We have computed the complete next-to-next-to-leading order (NNLO) contributions to the splitting functions governing the evolution of unpolarized parton densities in perturbative QCD. Our results agree with all partial results available in the literature. We illustrate the methods used for this calculation with some examples and display selected results to show the size of the NNLO corrections and their effect on the evolution.

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