The Mellin moments of deep inelastic structure functions at two loops
classification
✦ hep-ph
keywords
functionsloopmellinmomentsstructureagreementanalyticanomalous
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We perform the analytic calculation of the Mellin moments of the structure functions F_2 and F_L in perturbative QCD up to second order corrections and in leading twist approximation. We calculate the 2-loop contributions to the anomalous dimensions of the singlet and non-singlet operator matrix elements and the 2-loop coefficient functions of F_2 and F_L. Our results are in agreement with earlier calculations in the literature.
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