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14 pages, arxiv, 9th Jan 2009, 34th International Conference on High Energy Physics, Philadelphia, 2008

Abstract:

A report of recent experimental progress at the Tevatron in the understanding of the nucleon structure functions is presented. Author's own summary: "The unpolarised structure functions are obtained with unprecedented precision from the combined H1 and ZEUS data and are used to extract proton parton distribution functions via NLO QCD fits. The obtained parametrisation displays an improved precision, in particular at low Bjorken x, and leads to precise predictions of cross sections for LHC phenomena. Recent data from proton-antiproton collisions at Tevatron indicate further precise constraints at large Bjorken x. The flavour content of the proton is further studied using final states with charm and beauty in DIS ep and p--¯p collisions. Data from polarised DIS or proton-proton collisions are used to test the spin structure of the proton and to constrain the polarised parton distributions." free online downloads at: http://arxiv.org/PS_cache/arxiv/pdf/0901/0901.0046v1.pdf

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Open access and free online downloads at: http://arxiv.org/PS_cache/arxiv/pdf/0901/0901.0046v1.pdf

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