Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-06-12
Acta Phys.Polon. B33 (2002) 2933-2938
Physics
High Energy Physics
High Energy Physics - Phenomenology
Contribution to the XXXVIIth Rencontres de Moriond session devoted to "QCD And High Energy Hadronic Interactions", 5 pages, 2
Scientific paper
A new generation of parton distribution functions with increased precision and quantitative estimates of uncertainties is presented. This work includes a full treatment of available experimental correlated systematic errors for both new and old data sets and a systematic and pragmatic treatment of uncertainties of the parton distributions and their physical predictions. The new gluon distribution is considerably harder than that of previous standard fits. Extensive results on the uncertainties of parton distributions at various scales, and on parton luminosity functions at the Tevatron RunII and the LHC, are obtained. The latter provide the means to quickly estimate the uncertainties of a wide range of physical processes at these high-energy hadron colliders, such as the production cross sections of the $W,Z$ at the Tevatron and the LHC, and that of a light Higgs.
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