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Paper   IPM / Particles / 8752
School of Particles and Accelerator
  Title:   Simple Model for QCD Analysis of the Proton Helicity Structure
  Author(s): 
1.  Ali Naghi Khorramian
2.  Shahin Atashbar Tehrani
  Status:   Preprint
  Journal:
  Year:  2007
  Supported by:  IPM
  Abstract:
In this paper we use the experimental data to obtain the polarized parton distribution functions(PPDFs)in the LO and NLO approximations. The analysis is based on the Jacobi polynomials expansion of the polarized structure function(PSF). Our calculations for polarized parton distribution functions based on the Jacobi polynomials method are in good agreement with the other theoretical models.

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