Transverse Structure of Nucleon Parton Distributions from Lattice QCD

Details Transverse Structure of Nucleon Parton Distributions from Lattice QCD Transverse Structure of Nucleon Parton Distributions from Lattice QCD

2003-12-08

arxiv.org/abs/hep-lat/0312014v1

Phys.Rev.Lett.93:112001,2004

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.93.112001

This work presents the first calculation in lattice QCD of three moments of spin-averaged and spin-polarized generalized parton distributions in the proton. It is shown that the slope of the associated generalized form factors decreases significantly as the moment increases, indicating that the transverse size of the light-cone quark distribution decreases as the momentum fraction of the struck parton increases.

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