Abstract
It is shown that bound states and resonances in systems arising during the interaction of a charged particle with isobaric nuclei can be described with the aid of the trajectory of the poles of the S matrix in the complex plane of the Coulomb coupling constanta. The behavior of the singularities of the S matrix in thea plane is examined in detail for the case of a Coulomb field.
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W. de Alfaro and R. Regge, Potential Scattering [Russian translation], Mir, Moscow (1966).
L. A. Sliv, Izv. Akad. Nauk SSSR, Ser. Fiz.,38, 2 (1974).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 21–24, April, 1982.
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Poplavskii, I.V. Singularities of the S matrix in the complex plane of the Coulomb coupling constant. Soviet Physics Journal 25, 309–311 (1982). https://doi.org/10.1007/BF00906197
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DOI: https://doi.org/10.1007/BF00906197