Antiproton-proton elastic scattering at 6.2 GeV/c |
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| Authors: | T Buran A Eide P Helgaker P Lehmann A Lundby A Navarro-Savoy L Staurset O S?rum C Baglin P Briandet P Fleury G De Rosny JM Thenard PJ Carlson KE Johansson B D&#x;Almagne F Richard D Treille V Gracco |
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| Institution: | CERN, Geneva, Switzerland;Ecole Polytechnique, Paris, France;University of Stockholm, Sweden;Laboratoire de l''Accélérateur Linéaire, Orsay, France;University of Genoa and INFN, Genoa, Italy |
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| Abstract: | Antiproton-proton elastic scattering data at 6.2 GeV/c in the range 0.3 (GeV/c)2 ? ?t ? 10.0 (GeV/c)2 is presented. The experiment, using spark chambers and proportional chambers, was performed at the CERN Proton Synchroton.The dip at about ?t = 0.5 and the structure at about ?t = 2.2 (GeV/c)2 are equally strong at 6.2 GeV/c as they are at 5.0 GeV/c. The differential cross sections around 90° c.m. are not very different at 5.0 GeV/c and at 6.2 GeV/c, whereas in the backward region there is a decrease of the order of one magnitude. |
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