QCD Sum Rule Analysis of Leading Twist Non-Singlet Operator Matrix Elements

Details QCD Sum Rule Analysis of Leading Twist Non-Singlet Operator Matrix Elements QCD Sum Rule Analysis of Leading Twist Non-Singlet Operator Matrix Elements

1996-12-27

arxiv.org/abs/hep-ph/9612477v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 6 figures

Scientific paper

We use QCD sum rules to determine the difference between moments of the non-singlet structure functions. This combination decouples from the singular behaviour of the structure functions near x=1 as calculated in the quark-gluon basis and thus should lead to improved sum rule predictions. However, we find there are still very large errors due to higher order corrections. In order to refine the error analysis, we study the effect of renormalon ambiguities on our QCD sum rules results.

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