Constituent Quarkstructur and $F^{p}_{2}$ Data

Abstract

We have calculated the partonic structure of a constituent quark in the leading order in QCD for the first time and examined its ipmlications on the proton structure function, $F^{p}_{2}, data from HERA. It turned out that although qualitatively it agrees with the data but for a finer refinement we need to consider an {\it{inherent}} component due to gluons which act as the binding agent between constituents quarks in the proton. Good agreement with nucleon structure function, $F_{2}(x,Q^{2})$, for a wide range of $x=[10^{-6} ,1]$ and $Q^{2}=[0.5, 5000]$ $GeV^{2}$ is reached. {\bf{PACS Numbers 13.60 Hb, 12.39.-x, 13.88 +e, 12.20.Fv}}