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Relations among QCD corrections beyond leading order

J. Blümlein, V. Ravindran, W. L. van Neerven

hep-pharXiv:hep-ph/9812450

Abstract

The status of various relations among higher order QCD corrections is discussed. In particular, Drell-Levy-Yan relation and Supersymmetric relation are studied at the two-loop level. We have also investigated the validity of such relations for physical observables.

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