arXiv:hep-ph/0304249·v2·High Energy Physics — Phenomenology
Generalized Parton Distributions from Lattice QCD
M. Göckeler🇩🇪 · R. Horsley🇬🇧 · D. Pleiter🇩🇪 · P.E.L. Rakow🇬🇧 · A. Schäfer🇩🇪 · G. Schierholz🇩🇪 · W. Schroers🇺🇸
Abstract
We perform a quenched lattice calculation of the first moment of twist-two generalized parton distribution functions of the proton, and assess the total quark (spin and orbital angular momentum) contribution to the spin of the proton.
Comments: 11 pages, 4 figures; final version, to be published in Phys. Rev. Lett