Abstract
Within the Glauber diffraction theory of multiple scattering, the differential cross sections for the elastic and inelastic scattering of π± mesons are calculated for energies in the range between 130 and 260 MeV. This is the region where the broad Δ33 resonance in the π±N system occurs, the maximum corresponding to this resonance being at approximately 165 MeV. The wave function for the 9Be nucleus was chosen on the basis of the 2αN multicluster model. The sensitivity of the resulting differential cross sections to the target-nucleus wave functions computed with various intercluster-interaction potentials, to the contributions of wave-function components, and to various scattering multiplicities in the Glauber operator Ω is analyzed. A comparison with experimental data and with the results of other calculations is performed, and conclusions concerning the quality of the wave functions used and advantages of the present approach are drawn.
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