Nucleon structure functions in a constituent quark scenario

Details Nucleon structure functions in a constituent quark scenario Nucleon structure functions in a constituent quark scenario

1998-08-31

arxiv.org/abs/hep-ph/9808494v1

Few Body Syst.Suppl.10:411-414,1999; Few Body Syst.Suppl.11:355-358,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages; latex; 4 ps figures; based on two talks given at: 1) Workshop ``N$^*$ Physics and non perturbative QCD'', Trento, Ita

Scientific paper

Using a simple picture of the constituent quark as a composite system of point-like partons, we construct the polarized parton distributions by a convolution between constituent quark momentum distributions and constituent quark structure functions. We achieve good agreement with experiments in the unpolarized as well as in the polarized case, though a good description of the recent polarized neutron data requires the introduction of one more parameter. When our results are compared with similar calculations using non-composite constituent quarks, the accord with the experiments of the present scheme is impressive. We conclude that DIS data are consistent with a low energy scenario dominated by composite constituents of the nucleon.

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