Johan Bijnens
Professor, Deputy Head of Division
Fermion masses from symmetry
Author
Summary, in English
We present a model with continuous or discrete abelian generation group G, which predicts all orders of magnitude for fermion masses ad mixings correctly as a function of only one small parameter φS M ≈ 1 10. Here φS is the scale of G symmetry breaking and M the fundamental mass scale of the theory. No small Yukawa couplings or special choices of the scalar potential are needed. We perform a systematic computerized scan for similar models with abelian generation group and we find a few other examples. However, for a wide range of charges we find no anomaly free continuous symmetry and also none without mixed SU(3) × SU(2) × U(1), U(1)G anomalies consistent with realistic fermion masses if G is broken by one field with definite charge. We also scan a class of models with generation symmetry derived from a higher dimensional framework.
Publishing year
1987
Language
English
Pages
237-267
Publication/Series
Nuclear Physics, Section B
Volume
283
Document type
Journal article
Publisher
North-Holland
Topic
- Other Physics Topics
Status
Published
ISBN/ISSN/Other
- ISSN: 0550-3213