A Possible Model for New Resonances : Exotics and Hidden Charm

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概要

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• We assign ψ(3695) to an exotic meson cc^^-(PP+nn^^-) and ψ(3105) to a vector meson cc^^-, respectively. Then we can explain naturally two facts: 1) ψ(3695) decays strongly toψ(3105) +27πand 2) there is very little ψ(3695) production compared with ψ(3105) production in pN scattering at Brookhaven. In this model we expect two broad resonances at 3.7〜4.1 GeV and at 〜4.1 GeV. We also predict another resonance at 〜6.2 GeV, which will be a sharp resonance if the mass is smaller than twice the mass of the lowest mass state of cc. We can explain the small branching ratio of the decay ρ'(1600)27π, assigning ρ'(1600) to an exotic meson (pp^^-<->-nn^^<->) (pp^^<->+nn^^<->). We make some speculations on the decays of ψ(3695) and other exotic mesons.

• 理論物理学刊行会の論文
• 1975-08-25

著者

• Iwasaki Yoichi

  Research Institute For Fundamental Physics Kyoto University

関連論文

• A Possible Model for New Resonances : Exotics and Hidden Charm
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• Fermion Regge Trajectory
• Propagators of High-Spin Particles with Self-Energy Parts

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