SU(2) Mass Splitting in the Vector Mixing Model

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概要

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• The SU(2) mass splitting and mixing of the pseudoscalar and vector mesons are investigated in connection with SU(3) breaking, under the assumption that the divergent self-energies caused by the vector mixing φ_μ^<(0)>φ_μ^<(8)> and φ_μ^<(0)>φ_μ^<(3)> yield the tadpole-like mass splitting. The calculated values of ΔI=1 mass splitting and mixing are in good agreement with experiment. It is remarkable that our model unlike the conventional tadpole model gives a consistent value of m^2_k^0-m^2_k^±, and that the decay rates n→3π and ω→2π estimated by using the calculated transition masses are consistent with experiment. The observed value of m^2_k^<*0>-m^2_k^<*±> and the tendency m^2_ρ^0-m^2_ρ^±>0 are reproduced by a large value of the magnetic moment.

• 理論物理学刊行会の論文
• 1972-11-25

著者

• Yamazaki Toshio

  Department Of Pediatrics Fujita Health University

• INAOKA Kozo

  Department of Physics, Osaka University

• Inaoka Kozo

  Department Of Physics Osaka University

• YAMAZAKI Toshio

  Department of Physics, Osaka University

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