High orders perturbation theory and dual
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Valentin Zakharov
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Article
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2010
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Elsevier Science
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English
β 152 KB
We start with the QCD sum rules which are originally based on the idea that it is power-like corrections to the parton model which are related to the confinement. Moreover, the naive use of the Operator Product Expansion ensures that there is a 'gap' in the powers of Ξ QCD which miss the quadratic t