Lepton and Quark Mass Matrices

Details Lepton and Quark Mass Matrices Lepton and Quark Mass Matrices

1999-02-18

arxiv.org/abs/hep-ph/9902385v1

Phys.Rev. D60 (1999) 013006

Physics

High Energy Physics

High Energy Physics - Phenomenology

15pp, REVTeX, 3 Figures

Scientific paper

10.1103/PhysRevD.60.013006

We propose a model that all quark and lepton mass matrices have the same zero texture. Namely their (1,1), (1,3) and (3,1) components are zeros. The mass matrices are classified into two types I and II. Type I is consistent with the experimental data in quark sector. For lepton sector, if seesaw mechanism is not used, Type II allows a large $\nu_\mu - \nu_\tau$ mixing angle. However, severe compatibility with all neutrino oscillation experiments forces us to use the seesaw mechanism. If we adopt the seesaw mechanism, it turns out that Type I instead of II can be consistent with experimental data in the lepton sector too.

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