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The Inverse-Scattering Problem: The View of a Few-Nucleon Theorist

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Abstract

The theoretical step from the experimental phase shifts in the partial waves of the nuclear force to a parametrization of the two-nucleon interaction is discussed. A nuclear-physics solution to the inverse-scattering problem is recalled. The procedure is only based on the assumption of Hermiticity for the underlying potential. The procedure is provided by the off-energy-shell continuation of the two-nucleon transition matrix. It is compared with the strategies of mathematicians for the same problem. Faddeev strongly influenced the mathematical side of the problem.

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Acknowledgements

The author thanks the Nuclear-Theory Group of the Carnegie-Mellon University Pittsburgh, Michel Baranger, Bertrand Giraud and Susanta K. Mukhopadhay, for the pleasant collaboration years back, from which the work of Ref. [3] originated. He especially thanks Bertrand Giraud for his encouragement to this contribution, his critical reading and useful suggestions. He also thanks Arnas Deltuva and Steven Karataglidis for their critical reading of the manuscript.

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  1. Insttute for Theoretical Physics, Leibniz University, 30167, Hannover, Germany

    Peter U. Sauer

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  1. Peter U. Sauer
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Correspondence to Peter U. Sauer.

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Sauer, P.U. The Inverse-Scattering Problem: The View of a Few-Nucleon Theorist. Few-Body Syst 60, 28 (2019). https://doi.org/10.1007/s00601-019-1493-0

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