Conformal Expansions: A Template for QCD Predictions

Details Conformal Expansions: A Template for QCD Predictions Conformal Expansions: A Template for QCD Predictions

2001-01-22

arxiv.org/abs/hep-ph/0101248v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, Invited talk given at RADCOR-2000, Carmel CA, USA, 11-15 September, 2000

Scientific paper

The use of conformal expansions for predictions in quantum chromodynamics is discussed as a way to avoid renormalization scheme and scale ambiguities, as well as factorial growth of perturbative coefficients due to renormalons. Special emphasis is given to the properties of an assumed skeleton expansion and its relation to the Banks-Zaks expansion. The relation of BLM scale-setting to the skeleton expansion is also discussed and new criteria for the applicability of BLM scale-setting are presented.

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