Relations among Higher Order QCD corrections

J. Bl\"umlein , V. Ravindran , W.L. van Neerven

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classification ✦ hep-ph

keywords ordercorrectionsleadinglikenextprocessesschemecarefully

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We study the scheme transformation of next to leading order QCD corrections to various processes. An interesting relation by Drell, Levy and Yan (DLY) among space like and time like processes is studied carefully in the next to leading order level. We construct factorisation scheme invariants and show that they are DLY-invariant.

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Relations among Higher Order QCD corrections

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