Supersymmetric preon models with gauged colour-flavour symmetry

G. M. Staebler, R. E. Marshak

Research output: Contribution to journalArticlepeer-review

Abstract

We have conducted a search for globally supersymmetric preon models with gauged colour-flavour symmetries. Theories with both two- and three-preon composites, and colour-flavour groups from E6 down to the standard model, are examined under the following conditions: asymptotically-free metacolour, anomaly-free gauged symmetries, and Pauli principle obeyed. It is found that there are no models with three or more supersymmetric families. If supersymmetry is broken, one model with four families emerges. The purely fermionic preon theories can also be considered as the light sector of a chiral supersymmetric theory, with supersymmetry breaking at the preon level.

Original languageEnglish
Pages (from-to)513-522
Number of pages10
JournalPramana - Journal of Physics
Volume27
Issue number4
DOIs
StatePublished - Oct 1986
Externally publishedYes

Keywords

  • 12.50
  • Supersymmetry
  • colour-flavour symmetry
  • preon models

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