Skewed and double distributions in pion and nucleon

  title={Skewed and double distributions in pion and nucleon},
  author={M. V. Polyakov and Christoph Weiss},
We study the non-forward matrix elements of twist–2 QCD light–ray operators and their representations in terms of skewed and double distributions, considering the pion as well as the nucleon. We point out the importance of explicitly including all twist–2 structures in the double distribution representation, which naturally leads to a " two–component " structure of the skewed distribution, with different contributions in the regions |X| > ξ/2 and |X| < ξ/2. We compute the skewed and double… CONTINUE READING