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Nucleon-Deuteron Scattering with -Isobar Excitation, II: Elastic Scattering

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Abstract.

The description of neutron-deuteron elastic scattering is based on a coupled-channel two-baryon interaction that allows for virtual excitation of a nucleon to a -isobar. This gives rise to an effective three-nucleon force in three-nucleon systems. The three-particle scattering equations are solved by employing a separable expansion of the two-baryon transition matrix. The Coulomb interaction is not included. Spin-averaged and spin-dependent observables of elastic neutron-deuteron scattering are calculated and compared with experimental data. The calculated results refer to neutron lab energies between 0 and 70 MeV. Some long-standing discrepancies in low-energy spin observables between theoretical predictions and experimental data cannot be removed by the considered -isobar effects.

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Authors and Affiliations

  1. Institut für Theoretische Physik, Universität Hannover, Appelstraße 2, D-30167 Hannover, Germany, , , , , , DE

    S. Nemoto, K. Chmielewski, U. Meyer & P. U. Sauer

  2. Institut für Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, Germany, , , , , , DE

    J. Haidenbauer

  3. Department of Physics, Faculty of Science and Technology, Science University of Tokyo, Noda, Chiba 278, Japan, , , , , , JP

    S. Oryu

Authors
  1. S. Nemoto
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  2. K. Chmielewski
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  3. U. Meyer
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  4. J. Haidenbauer
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  5. S. Oryu
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  6. P. U. Sauer
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Additional information

Received November 18, 1997; revised March 11, 1998; accepted for publication March 28, 1998

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Nemoto, S., Chmielewski, K., Meyer, U. et al. Nucleon-Deuteron Scattering with -Isobar Excitation, II: Elastic Scattering. Few-Body Systems 24, 241–261 (1998). https://doi.org/10.1007/s006010050088

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  • DOI: https://doi.org/10.1007/s006010050088

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