Implications of μ ↔ τ symmetry on neutrinos and leptogenesis

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11 Citations (Scopus)


We discuss a model based on μ ↔ τ symmetry acting in the lepton sector, which leads to maximal atmospheric mixing angle and θ13 = 0. We show that in the symmetric limit the lepton asymmetry εl of the universe can be given in a simple form in terms of the neutrino oscillation parameters. We also find that for the case of two right handed neutrinos εl, constrain the symmetry breaking parameter θ13 to be in range 0.1 to 0.2 depending on the leptonic CP violation phase.

Original languageEnglish
Pages (from-to)6258-6267
Number of pages10
JournalInternational Journal of Modern Physics A
Issue number27
Publication statusPublished - Oct 30 2005
Externally publishedYes


  • Leptogenesis
  • Neutrino
  • Symmetry

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics


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