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| Paper IPM / Physic / 7755 |
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| Abstract: | |||||||
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We use from valon model in polarized case to obtain
the parton distribution functions (PDFs) . Valon is defined by the
valence quark and associated sea quarks plus gluons in the
dressing processes of QCD. The approach of complete
renormalization group improvement is introduced. We employ this
approach to obtain the polarized parton distribution functions
which are based on using the phenomenological valon model. We
compared singlet and non-singlet moments and also the obtained
PDFs in our new approach and the conventional perturbative QCD
approach. There is a good agreement between the results of these
two approaches.
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