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| Paper IPM / Physic / 8525 |
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| Abstract: | |||||
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We present the results of our QCD analysis for polarized
quark distribution and structure function xg1 (x,Q2). We use
very recently experimental data to parameterize our model. New
parameterizations are derived for the quark and gluon distributions
for the kinematic range x ϵ [10−8,1], Q2 ϵ [1,106] GeV2. The
analysis is based on the Jacobi polynomials expansion of the
polarized structure functions. Our calculations for two approach,
Bernstein polynomials and Jacobi polynomials are presented.
The values of ΛQCD and αs(Mz) are determined.
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