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Uncertainty induced by QCD coupling in the CTEQ global analysis of parton distributions

PHYSICAL REVIEW D, no. 5 (2010)

引用：335|浏览19

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academic.microsoft.com arxiv.org

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large hadron colliderdistribution functionfield theoryelementary particlesglobal analysis更多(3+)

摘要

We examine the dependence of parton distribution functions (PDFs) on the value of the QCD coupling strength alpha(s)(M-Z). We explain a simple method that is rigorously valid in the quadratic approximation normally applied in PDF fitting, and fully reproduces the correlated dependence of theoretical cross sections on alpha(s) and PDF para...更多

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