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| Paper IPM / P / 7831 |
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There is sizable discrepancy between experimental data and theoretical results on the b-quark production in proton and anti-proton collisions which is coming from the renormalization and factorization scale dependence of finite order perturbation calculations. The "Complete RG-improvement" approach is used to separate the perturbation series into infinite subsets of terms which when summed are renormalization scheme(RS)- invariants. We use from this approach in moment space and obtain parton distribution functions (PDFs) which is based on using the valon model. Total cross section for producing b-quarks is calculated which is coming from the multiplicity of partonic cross section and PDFs. There is an expectation to get a better consistency between theoretical results and available experimental data for b-quark production.
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