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Photo of Johan Bijnens

Johan Bijnens

Professor

Photo of Johan Bijnens

Hierarchical structure of fermion masses and mixings

Author

  • Johan Bijnens
  • Christof Wetterich

Summary, in English

We examine patterns where ratios of the fermion masses and the W-boson mass (xi= mi mw) are proportional to powers of a small parameter λ(xi=ciλPi). For a simple estimate of the uncertainty in the coefficients ci we determine the allowed values of Pi and the corresponding range of λ. Using this information we search for realistic patterns in a large class of anomaly-free SU(3)×SU(2)×U(1)×U(1) models where λ is related to a symmetry breaking scale and the Pi follow from the quantum numbers. No realistic model is found. In contrast, realistic mass patterns can be induced from an anomalous U(1) symmetry.

Publishing year

1987-12-31

Language

English

Pages

525-530

Publication/Series

Physics Letters B

Volume

199

Issue

4

Document type

Journal article

Publisher

Elsevier

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0370-2693