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Experimental apparatus for the study of small angle neutron-proton elastic scattering at intermediate energies |
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| Authors: | AA Vorobyov GA Korolev AV Dobrovolsky AV Khanzadeev GE Petrov EM Spiridenkov Y Terrien JC Lugol J Saudinos BH Silverman and F Wellers |
| Affiliation: | aLeningrad Nuclear Physics Institute, Gatchina, Leningrad district, 188350, USSR bService de Physique Nucléaire, Moyenne Energie, CEN Saclay, 91191 Gif-sur-Yvette Cedex, France |
| Abstract: | An experimental setup for measurements of absolute differential cross sections and analyzing powers in small angle elastic np scattering is described. The main part of the apparatus consists of a multielectrode ionization chamber IKAR filled with methane, serving as both a gas target and a recoil detector. The apparatus was used in measurements with a polarized neutron beam from the Saturne synchrotron (Saclay, France) in the energy range from 378 to 1135 MeV. |
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