Nucleon Structure Functions in a Constituent Quark Scenario
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 of the present scheme with the experiments is impressive. We conclude that DIS data are consistent with a low energy scenario dominated by composite constituents of the nucleon.
KeywordsStructure Function Quark Model Parton Distribution Deep Inelastic Scattering Constituent Quark
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