Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-11-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
Lectures at the International School of Nucleon Structure, Erice, 1995, 34 pages, Latex, 15 figures available from the Author
Scientific paper
Contents: 1. The sum rules or $\Gamma_{p,n}$.Theoretical status. 2. Calculations of matrix elements over the polarized nucleon by the QCD sum rule approach. 3. Twist-4 corrections to $\Gamma_{p,n}$ from QCD sum rules. 4. Gerasimov, Drell-Hearn (GDH) sum rules. The estimate of higher twist corrections to $\Gamma_{p,n}$ using interpolation between $\Gamma_{p,n}$ and GDH sum rules. 5. Comparison with experiment. 6. The calculations of polarized structure functions by the QCD sum rule method. 7. Calculation of the chirality violating structure function $h_1(x)$ by QCD sum rules. 8. Conclusions.
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