HERA Combined Cross Sections and Parton Densities

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Deep inelastic scattering cross section measurements previously published by the H1 and ZEUS collaborations are combined. The procedure takes into account the systematic error correlations in a coherent way, leading to a significantly reduced overall cross section uncertainty. The combined H1 and ZEUS measurements of the inclusive neutral and charged current cross sections are used to perform a common NLO QCD fit. The consistent treatment of systematic uncertainties in the joint data set ensures that the resulting set of parton density functions (PDFs) have a much reduced experimental uncertainty compared to the previous PDF extractions performed separately by the H1 and ZEUS collaborations.
Cosmetic changes (header, pagenumber) as requested by editors of the ICHEP proceedings

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High Energy Physics - Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/170716

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.4946
 http://arxiv.org/abs/0809.4946

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arXiv