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Recent applications of relativistic equations to the few body problem

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Recent numerical results for a relativistic OBE model of the NN interaction, obtained by solving a relativistic equation with one-particle on mass-shell, will be presented and discussed. Two meson exchange models, one with only four mesons (π, σ, ϱ, ω) but with a 25% admixture ofγ 5 coupling for the pion, and a second with six mesons (π, σ, ϱ, δ, η) but pureγ 5 γ μ pion coupling, are shown to give very good quantitative fits to the NN scattering phase shifts below 400 MeV, and also a good description of the p40Ca elastic scattering observables. Applications of this model to electromagnetic interactions of the two body system, with emphasis on the determination of relativistic current operators consistent with the dynamics and the exact treatment of current conservation in the presence of phenomenological form factors, will be described.

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Authors and Affiliations

  1. Continuous Electron Beam Accelerator Facility, 12000 Jefferson Avenue, 23606, Newport News, VA, USA

    Franz Gross

  2. College of William and Mary, 23185, Williamsburg, VA, USA

    Franz Gross

Authors
  1. Franz Gross
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Additional information

Invited talk to the symposium “Mesons and Light Nuclei IV”, Bechyně, Czechoslovakia, September 5–10, 1988.

It is a pleasure to acknowledge the support of the Department of Energy through CEBAF.

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Gross, F. Recent applications of relativistic equations to the few body problem. Czech J Phys 39, 871–883 (1989). https://doi.org/10.1007/BF01599200

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  • DOI: https://doi.org/10.1007/BF01599200

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