Higher twist nucleon distribution amplitudes in Wandzura-Wilczek approximation
classification
✦ hep-ph
keywords
amplitudesapproximationdistributionhighernucleontwistwandzura-wilczekanalysis
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We derive the higher twist (four and five) nucleon distribution amplitudes in the Wandzura-Wilczek approximation. Our method is based on an analysis of the conformal expansion of nonlocal operators in the spinor formalism.
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