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›› 2016, Vol. 33 ›› Issue (4): 468-476.DOI: 10.7523/j.issn.2095-6134.2016.04.006

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A model for lepton mass spectra and flavor mixing under S3 flavor symmetry

YANG Deshan, YANG Xinghua   

  1. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2015-11-02 Revised:2016-01-09 Online:2016-07-15
  • Supported by:

    Supported by the National Natural Science Foundation of China(11275263)

Abstract:

We propose a simple model for the lepton mass spectra and flavor mixing by combining the S3 flavor symmetry with type-II seesaw mechanism.To obtain the observed mass spectra and mixing patterns of lepton sector, the explicit flavor symmetry breaking chain S3Z2→Ø is considered.It is shown that this ansatz can naturally allow the three neutrino mixing angles (i.e.,θ12,θ23, and θ13) to be in good agreement with the current experiment data and the maximal Dirac CP-violating phase δ≈270° indicated by recent experiments.

Key words: lepton mass spectra, lepton flavor mixing, flavor symmetry, seesaw mechanism

CLC Number: