J ul 2 00 3 Quark Imaging in the Proton Via Quantum Phase-Space Distributions

@inproceedings{Belitsky2005JU2,
  title={J ul 2 00 3 Quark Imaging in the Proton Via Quantum Phase-Space Distributions},
  author={Andrei Belitsky and Xiangdong Ji and Feng Yuan},
  year={2005}
}
Abstract We develop the concept of quantum phase-space (Wigner) distributions for quarks and gluons in the proton. To appreciate their physical content, we analyze the contraints from special relativity on the interpretation of elastic form factors, and examine the physics of the Feynman parton distributions in the proton’s rest frame. We relate the quark Wigner functions to the transversemomentum dependent parton distributions and generalized parton distributions, emphasizing the physical role… CONTINUE READING

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