The Theory of the Nucleon Level Structure in Terms of the Pion-Pion Resonance. I

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概要

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• The existence of a sharp pion-pion resonance is assumed for the T=j=1 state at about 600 Mev. This resonance state is approximately replaced by a real T=j=1 particle ρ^<±,0> and its interactions with the pion field and the electro-magnetic field are determined. The calculation of pion-nucleon scatterings through _<ρ>N intermediate states shows in the Born approximation that very strong attractive forces seem to exist for both T=1/2, d_<3/2> and T=1/2, f_<5/2> pionnucleon states at about the ρ-production threshold energy. The former is identified as the second and the latter as the third resonance observed in the pion-nucleon scatterings. A similar calculation predicts the possible appearance of the second resonance and the suppression of the third one in the photo-pion productions. A tentative model for explaining the fourth maximum observed in the pion-nucleon scattering is proposed along the similar line.

• 理論物理学刊行会の論文
• 1960-09-25

著者

• Nakagawa Kimiko

  Institute For Nuclear Study Tokyo University : Nippon Gakujutsu Shinkokai Foundation Fellow

• Takeda Gyo

  Institute For Nuclear Study Tokyo University

• ITABASHI Kiyomi

  Institute for Nuclear Study, Tokyo University

• KATO Masaaki

  Institute for Nuclear Study, Tokyo University

• Itabashi Kiyomi

  Institute For Nuclear Study Tokyo University : The Department Of Physics Tohoku University

• Kato Masaaki

  Institute For Nuclear Study Tokyo University : Department Of Physics College Of General Education Un

• NAKAGAWA Kimiko

  Institute for Nuclear Study, Tokyo University : Nippon Gakujutsu Shinkokai Foundation Fellow

• KATO Masaaki

  Institute for Nuclear Study, Tokyo University : Department of Physics, College of General Education, University of Tokyo

関連論文

• Antinucleon-Nucleon Interactions
• Radiation Reaction in Collision Process. III_2. : First Radiative Correction for an Arbitrary Process Including Electrons, Positrons, and Light Quanta
• Radiation Reaction in Collision Process, II : Radiative Corrections for Compton Scattering
• Radiation Reaction in Collision Process. III_1. : First Radiative Correction for an Arbitrary Process including Electrons, Positrons, and Light Quanta
• The Theory of the Nucleon Level Structure in Terms of the Pion-Pion Resonance. I
• Low Energy Theorems for Nuclear Weak and Electromagnetic Currents
• Compton Scattering of Isovector Photons with Nucleons and Algebra of Fields
• The Multiple Production of Mesons by High Energy Nucleon-Nucleon Collisions
• Isotopic Spin and Strange Particles
• Global Symmetry and Isotopic Spin Conservation in Non-Leptonic Hyperon Decays

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