Effective Lagrangians and SU(3) × SU(3) Symmetry Breaking

  • S. Gasiorowicz
Conference paper
Part of the Acta Physica Austriaca book series (FEWBODY, volume 6/1969)


At last year’s Schladming Winter School, Professor Gürsey discussed some aspects of the effective Lagrangian technique, which he helped to develop [1]. In the following lectures I shall apply this technique to the study of chiral SU(3) × SU(3). As background to a detailed discussion of a model Lagrangian, I will (i) review the Lagrangian formalism, (ii) discuss the transformation properties of fields, (iii) show how field algebra and symmetry breaking that leads to PCAC are implemented. In the discussion of the model, which was worked out in collaboration with D. A. Geffen, I will lay stress on the leptonic decay constants of the spin O and spin 1 mesons, as far as comparison with experiment is concerned. For the rest, the stress will be on the technical aspects of constructing effective Lagrangians. Baryons will not be discussed, except of a brief mention in sec. (II) [2].


Symmetry Breaking Commutation Relation Mass Term Chiral Symmetry Vector Meson 
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Copyright information

© Springer-Verlag / Wien 1969

Authors and Affiliations

  • S. Gasiorowicz
    • 1
    • 2
  1. 1.Deutsches Elektronen Synchrotron - (DESY)HamburgGermany
  2. 2.University of MinnesotaMinneapolisUSA

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