Different manifestations of S-matrix poles
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DOI: 10.1016/j.aop.2018.07.001
Abstract: Making use of the analytical properties of the $S$-matrix and a theorem of Mittag-Leffler, model independent non-relativistic expressions for cross sections in single channel elastic scattering, scattering phase shifts and survival probabilities of resonances are… read more here.
Keywords: different manifestations; matrix poles; manifestations matrix;