Evaluation of the Integrated Cross Sections of Reactions of Exclusive Pion and Kaon Electroproduction off Protons in the Resonance Region at Photon Virtualities from 5 to 12 GeV2 |
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| Authors: | V. Burkert E. N. Golovach R. Gothe E. L. Isupov B. S. Ishkhanov V. A. Klimenko V. I. Mokeev Yu. A. Skorodumina G. V. Fedotov |
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| Affiliation: | 1.Thomas Jefferson National Accelerator Facility,Newport News,USA;2.Skobeltsyn Institute of Nuclear Physics,Moscow State University,Moscow,Russia;3.Department of Physics and Astronomy,University of South Carolina,Columbia,USA;4.Department of Physics,Moscow State University,Moscow,Russia |
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| Abstract: | The integrated cross sections of the ep → eπ+n, ep → eπ0p, ep → eK+Λ, and ep → eK+Σ0 reactions are evaluated in the energy range of nucleon resonance excitation at photon virtualities Q2 from 5 to 12 GeV2. These exclusive channels will be explored at photon virtualities Q2 > 5 GeV2 for the first time in future experiments with the CLAS12 detector. The cross-section evaluation is based on the extrapolation of exclusive contributions to the inclusive structure functions F1 and F2 from a region of Q2 < 5 GeV2, in which the experimental data are available, to the region of higher Q2. This evaluation of cross sections is of particular importance in the development of the program of experiments with the CLAS12 detector for studying the structure of the ground and excited nucleon states, which may reveal the dynamics of strong interactions in the nonperturbative regime. |
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