Dispersive treatment of low-energy pion-nucleus forward elastic scattering |
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| Authors: | H. Pilkuhn N. Zovko H. G. Schlaile |
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| Affiliation: | 1. Institut für Theoretische Kernphysik, Universit?t Karlsruhe, Federal Republic of Germany
2. Institut für Struktur der Materie, Universit?t Karlsruhe, Federal Republic of Germany
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| Abstract: | The amplitudes for pion-nucleus forward elastic scattering are studied by means of dispersion relations, with emphasis on the low-energy and unphysical regions. The importance of the threshold behaviour of inelastic pion scattering is pointed out, and effective coupling constants, a news-wave parameter and the real part of thep-wave scattering length are determined. |
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