The small-x Behavior of the Nonsinglet Polarized Structure Function g₂ in the Double Logarithmic Approximation
classification
✦ hep-ph
keywords
approximationdoublefunctionlogarithmicnonsingletstructurebehaviorconsidered
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The nonsinglet spin dependent structure function $g_2(x,Q^2)$ is studied at small x within the double logarithmic approximation of perturbative QCD. Both positive and negative signature contributions are considered, and we find a power-like growth in $1/x$. We discuss how our result fits into the Wandzura-Wilczek relation.
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