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Composite Quarks and Leptons

  • W. Buchmüller
Conference paper
Part of the Acta Physica Austriaca book series (FEWBODY, volume 27/1985)

Abstract

The present theory of particle physics is the standard model of strong and electroweak interactions [1]. It is a renormalizable quantum field theory which describes sucessfully all our experimental information about the structure of matter down to distances of 10−16 cm. Despite its extraordinary success, however, there appears to be a general consensus that the standard model can only be an effective “low energy” Lagrangian of a more fundamental theory. Indeed, the gauge structure of strong, electromagnetic and weak interactions suggests a unification of all forces [2,3], the replication of families and the hierachical pattern of fermion masses point towards a common underlying structure of quarks and leptons, and the “naturalness problem” [4–6] of fundamental scalar fields seems to require a modification of the Higgs sector.

Keywords

Yukawa Coupling Chiral Symmetry Global Symmetry Vector Boson Goldstone Boson 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • W. Buchmüller
    • 1
  1. 1.CERNGenevaSwitzerland

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