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Quasi-two-particle meson--nucleon interactions and SU(3) symmetry
N.N. Masleev
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Abstract
BS>The processes of the scattering of mesons on nucleons with formation of nucleon isobars, belonging to the decuplet of the SU(3) group were examined. The general form of the amplitudes for processes of the octet + octet yields octet + decuplet type in the SU(3) symmetry and during its breakdown was obtained. The relations between amplitudes and cross sections of concrete processes were obtained and compared with experiment. The experimental data indicated symmetry breakdown and the relation between cross sections obtained with consideration of the SU(3) symmetry breakdown agree well with experiments. (tr-auth)