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| Paper IPM / Particles / 8950 |
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We present the results of our QCD analysis for non-singlet unpolarized quark distributions and structure function F2(x,Q2). New parameterizations are derived for the non-singlet quark distributions for the kinematic wide range of x and Q2. The analysis is based on the Jacobi polynomials expansion of the structure function. The higher twist contributions of proton and
deuteron structure function are obtained in the large x region. Our calculations for non-singlet unpolarized quark distribution functions based on the Jacobi polynomials method are in good agreement with the other theoretical models. The values of QCD and s(M2 z ) are determined.
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