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Experiments with internal targets at the VEPP-3 electron storage ring |
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| Authors: | D M Nikolenko H Arenh?vel J Arrington L M Barkov S L Belostotski H de Vries R Gilman A V Gramolin V F Dmitriev S A Zevakov I V Karnakov B A Lazarenko S I Mishnev N Yu Muchnoi V V Nelyubin A V Osipov D H Potterveld I A Rachek R Sh Sadykov V N Stibunov D K Toporkov R J Holt Yu V Shestakov L I Shekhtman |
| Institution: | 1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia 2. Institut für Kernphysik, Johannes Gutenberg-Universit?t, D-55099, Mainz, Germany 3. Argonne National Laboratory, Argonne, Illinois, 60439, USA 4. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, Gatchina, 188300, Russia 5. NIKHEF, P.O. Box 41882, 1009, DB Amsterdam, The Netherlands 6. Rutgers University, Piscataway, New Jersey, 08855, USA 7. University of Virginia, Charlottesville, Virginia, 22901, USA 8. Nuclear Physics Institute, Tomsk Polytechnical University, Tomsk, 634050, Russia |
| Abstract: | An overview of the recently completed, current, and planned experiments with internal targets at the VEPP-3 electron-positron storage ring in Novosibirsk is given. The results of the experiment to separately measure the deuteron form factors in elastic ed scattering in the range of momentum transfer Q 2 = 8?15 fm?2 are provided. The results of measuring the tensor analyzing power components of the tensor-polarized deuteron photodisintegration reaction in the range of γ-quantum energies E γ = 25?600 MeV are presented. The tensor analyzing powers of the coherent photoproduction of a neutral pion on a tensor-polarized deuteron have been measured for the first time. The almost-real photon tagging system being created is discussed. The status of the experiment under way to determine the contribution of two-photon exchange to the elastic ep scattering cross section is described. |
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