S-Matrix singularities in scattering of charged particles on hydrogen-like targets |
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| Authors: | A. A. Kvitsinsky I. V. Komarov S. P. Merkuriev |
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| Affiliation: | (1) Department of Computational and Mathematical Physics, Leningrad State University, SU-199034 Leningrad, USSR |
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| Abstract: | The scattering of a charged particle on an excited degenerate state of a hydrogen-like system is considered. The threshold and angular singularities of binary scattering amplitudes in this problem are studied. For these singularities closed-form analytical representations are obtained. |
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