论文信息 - Higher-order effects in asymptotically free gauge theories: (II). Flavour singlet Wilson operators and coefficient functions

Higher-order effects in asymptotically free gauge theories: (II). Flavour singlet Wilson operators and coefficient functions

Abstract We complete the calculation of all parameters needed to discuss deep inelastic scattering in QCD to subleading order by calculating the anomalous dimensions of the twist-two flavour singlet operators in the Wilson expansion to two loops and the coefficient functions to order g 2 . The calculation is performed in the dimensional regularization scheme with the minimal subtraction renormalization prescription. The application of the results to deep inelastic scattering is discussed.

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