Polarized and Unpolarized Nucleon Structure Functions from Lattice QCD

Details Polarized and Unpolarized Nucleon Structure Functions from Lattice QCD Polarized and Unpolarized Nucleon Structure Functions from Lattice QCD

1995-08-03

arxiv.org/abs/hep-lat/9508004v2

Phys.Rev.D53:2317-2325,1996

Physics

High Energy Physics

High Energy Physics - Lattice

17 pages, uuencoded postscript file. Renormalization constant of <x^3> now included

Scientific paper

10.1103/PhysRevD.53.2317

We report on a high statistics quenched lattice QCD calculation of the deep-inelastic structure functions $F_1$, $F_2$, $g_1$ and $g_2$ of the proton and neutron. The theoretical basis for the calculation is the operator product expansion. We consider the moments of the leading twist operators up to spin four. Using Wilson fermions the calculation is done for three values of $\kappa$, and we perform the extrapolation to the chiral limit. The renormalization constants, which lead us from lattice to continuum operators, are calculated in perturbation theory to one loop order.

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