Il Nuovo Cimento (1955-1965)

, Volume 19, Issue 6, pp 1226–1248 | Cite as

Towards a two-field theory of elementary particles

  • R. E. Marshak
  • S. Okubo


It is shown why the symmetry principle between the baryon triplet (Λnp) and lepton triplet (μ eν) suggests a two-field theory of elementary particles. One massless spinor field is used to describe the nucleons and light leptons and a second spinor field with finite bare mass the « strange » particles Λ andμ. The two-field model resembles the theories of Heisenberg and Nambu in several respects but there are also important differences which are spelled out.


Si mostra come il principio di simmetria tra il tripletto di barioni (Λnp) e il tripletto di leptoni (μeν) suggerisca per le particelle elementari una teoria a due campi. Si usa un campo spinoriale per descrivere i nucleoni e i leptoni leggeri e un secondo campo spinoriale con massa nuda finita per descrivere le particelle « strane » Λ eμ. Sotto molti aspetti il modello a due campi è simile alla teoria di Heisenberg e di Nambu ma esistono anche notevoli differenze che si mettono in evidenza.


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Copyright information

© Società Italiana di Fisica 1961

Authors and Affiliations

  • R. E. Marshak
    • 1
  • S. Okubo
    • 1
  1. 1.CERNGeneva

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