| The 18th International Symposium on Spin Physics |
October 6-11, 2008 University of Virginia Charlottesville, VA USA |
| First Name | Alinaghi |
|---|---|
| Last Name | Khorramian |
| khorramiana@theory.ipm.ac.ir | |
| Affiliation | IPM and Semnan university |
| Co-Authors | S. Atashbar Tehrani |
| Title | QCD analysis for the polarized parton densities and structure function |
| Topic | Oral |
| Abstract of 200 words or less We present the results of our QCD analysis for polarized quark distribution and structure function $xg_1 (x,Q^2)$. New parameterizations are derived for the quark and gluon distributions for the kinematic range $x\;\epsilon\;[10^{-8},1]$, $Q^2\;\epsilon\;[1,10^6]$ GeV$^2$. The analysis is based on the Jacobi polynomials expansion of the polarized structure functions. The values of $\Lambda_{QCD}$ and $\alpha_s(M_z)$ are determined. |
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