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The Jacobi polynomials QCD analysis for the polarized structure function
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DOI：10.1088/1126-6708/2007/07/048.png)
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摘要
En 中文
We present the results of our QCD analysis for polarized quarks distribution and structure function xg1(x,Q(2)). We use very recently experimental data to parameterize our model. New parameterizations are derived for the quark and gluon distributions for the kinmatic range x epsilon [10(-8), 1], Q(2) epsilon [1, 10(6)] GeV2. The analysis is based on the Jacobi polynomials expansion of the polarized structure functions. Our calaculatons for polarized parton distribution functions based on the Jacobi polynomials method are in good agreement with the other theoretical models. The values of Delta(QCD) and alpha(S) (M-z) are determined.
Keyword:
phenomenological models
NLO computations
spin and polarization effects
deep inelastic scattering
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期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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