A Precision Measurement of the Inclusive ep Scattering Cross Section at HERA
Abstract
A measurement of the inclusive deep-inelastic neutral current e+p scattering cross section is reported in the region of four-momentum transfer squared, 12<=Q2<=150 GeV2, and Bjorken x, 2x10-4<=x<=0.1. The results are based on data collected by the H1 Collaboration at the ep collider HERA at positron and proton beam energies of Ee=27.6 GeV and Ep=920 GeV, respectively. The data are combined with previously published data, taken at Ep=820 GeV. The accuracy of the combined measurement is typically in the range of 1.3-2%. A QCD analysis at next-to-leading order is performed to determine the parton distributions in the proton based on H1 data.
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