Meson-Baryon Potentials by One-Hadron-Exchange Mechanisms with Gaussian Sources(Nuclear Physics)

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概要

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• Meson-baryon potentials in momentum space are proposed on the basis of one-hadron-exchange mechanisms. The Gaussian source parameters and SU(3) coupling constants are determined so as to reproduce the πN and KN scatterings at low energies, fixing all the parameters predetermined in the baryon-baryon potentials proposed previously. Using the same values, we predict the K^^-N-πΛ-πΣ coupled-channel potentials. To explain the experimental cross sections and Λ(1405) as a quasibound state, we need an overall factor of approximately 0.7.

• 2010-07-25

著者

• SHINMURA Shoji

  Faculty of Engineering, Gifu University

• WADA Masanobu

  College of Science and Technology, Nihon University

• OBU Mitsuaki

  College of Science and Technology, Nihon University

• AKAISHI Yoshinori

  College of Science and Technology, Nihon University

• Obu Mitsuaki

  College Of Science And Technology Nihon University

• Wada Masanobu

  College Of Science And Technology Nihon University

• Shinmura Shoji

  Faculty Of Engineering Gifu University

• Akaishi Yoshinori

  College Of Science And Technology Nihon University:riken Nishina Center

• WADA Masanobu

  Laboratory of Physics, College of Science and Technology Nihon University

• Akaishi Yoshinori

  College Of Science And Technology Nihon University

• Akaishi Yoshinori

  Kek

• Wada Masanobu

  Nihon Univ. Funabashi Jpn

• AKAISHI Yoshinori

  College of Science and Technology, Nihon University:RIKEN Nishina Center

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