Quartet Scheme of Hadrons in Chiral U(4)⨂U(4)

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概要

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• A general scheme of fundamental quartets is reformulated on the basis of strict leptonbaryon symmetry, and treated in a context of chiral U(4) ⨂U(4) invariance. The structure of spontaneous breaking of it accompanied by sixteen Nambu-Goldstone bosons is studied in detail. One of the main predictions of our model is the existence of a new O^-meson, x, with the mass heavier by ~0.5 GeV than the charmed partners, which may be identified with new heavy particles recently reported by Niu et al. It decays predominantly as x→K+K^^-+(π, η or η´) with small decay widths (~a few MeV) . Such an indication of the existence of new heavy particles is encouraging enough to push forward our new treatment of the fundamental quartets (quartons) as a natural generalization of the Sakata-Nagoya model.

• 理論物理学刊行会の論文
• 1972-05-25

著者

• Umemura Isao

  Department Of Nuclear Engineering Faculty Of Engineering Kyoto University

• Maskawa Toshihide

  Department Of Physics Kyoto Sangyo University

• Maki Ziro

  Reseach Institute For Fundamental Physics Kyoto University

• MAKI Ziro

  Research Institute for Fundamental Physics, Kyoto University

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