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Kaon–nucleon scattering lengths from kaonic deuterium experiments

  • Theoretical Physics
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Abstract

The extraction of the S-wave kaon–nucleon scattering lengths a0 and a1 from a combined analysis of existing kaonic hydrogen and synthetic deuterium data has been carried out within the framework of a low-energy effective field theory. It turns out that with the present DEAR central values for the kaonic hydrogen ground-state energy and width, a solution for a0 and a1 exists only in a restricted domain of input values for the kaon–deuteron scattering length. Consequently, measuring this scattering length imposes stringent constraints on the theoretical description of the kaon–deuteron interactions at low energies, if supplemented with DEAR data on kaonic hydrogen.

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Authors and Affiliations

  1. Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn, Nußallee 14–16, 53115, Bonn, Germany

    U.-G. Meißner, U. Raha & A. Rusetsky

  2. Institut für Kernphysik (Theorie), Forschungszentrum Jülich, 52425, Jülich, Germany

    U.-G. Meißner

  3. High Energy Physics Institute, Tbilisi State University, University St. 9, 380086, Tbilisi, Georgia

    A. Rusetsky

Authors
  1. U.-G. Meißner
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  2. U. Raha
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  3. A. Rusetsky
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Corresponding author

Correspondence to A. Rusetsky.

Additional information

PACS

36.10.Gv; 12.39.Fe; 13.75.Cs; 13.75.Jz

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Meißner, UG., Raha, U. & Rusetsky, A. Kaon–nucleon scattering lengths from kaonic deuterium experiments. Eur. Phys. J. C 47, 473–480 (2006). https://doi.org/10.1140/epjc/s2006-02578-6

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  • DOI: https://doi.org/10.1140/epjc/s2006-02578-6

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