Nucleon parton distributions in the large $N_c$ limit

Details Nucleon parton distributions in the large $N_c$ limit Nucleon parton distributions in the large $N_c$ limit

1997-12-21

arxiv.org/abs/hep-ph/9712472v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX, 2 figures included using epsf. Talk given at the Workshop ``Deep Inelastic Scattering off Polarized Targets:

Scientific paper

We review recent progress in calculating the twist--2 parton distribution functions at a low normalization point in the large--$N_c$ limit, where the nucleon can be described as a soliton of the effective chiral lagrangian. This field-theoretic approach preserves all general requirements on the distribution functions (positivity, normalization etc.). In particular, it allows to calculate the polarized and unpolarized antiquark distributions at the low normalization point.

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