Mass Spectra of Baryons, Mesons and Leptons
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概要
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In accordance with Sakurai's proposal, it is examined how the Yang-Mills gauge fields associated with the conservation of baryon number, strangeness, and isospin break the hypothetical mass degeneracy. Use is made of Nambu's self-consistent method in order to obtain the mass formulas. It is shown that reasonable sizes of coupling constants and of cutoff momenta lead to the observed mass spectra of the stable or metastable baryons and mesons (N,Λ,Σ,Ξ;π, K). The determination of the resonant state levels seems to be beyond the scope of the present treatment. A similar attempt is made to explain the lepton mass spectrum by introducing a gauge field associated with the conservation of leptonic strangeness or muon number.
- 理論物理学刊行会の論文
- 1964-04-25
著者
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