3.8 Article Proceedings Paper

Four-loop tadpoles: Applications in QCD

Journal

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Volume 160, Issue -, Pages 160-164

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ELSEVIER
DOI: 10.1016/j.nuclphysbps.2006.09.041

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Recent applications of single-scale four-loop tadpoles are briefly reviewed. An algorithm for the evaluation of current correlators based on differential equations is described and applied to obtain high moments of the vacuum polarization function at O(alpha(2)(s)) as a preparation of O(alpha(3)(s)) calculations.

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