(Z2)3 symmetry of the tripartite model

E. I. Lashin, E. Malkawi, S. Nasri, N. Chamoun

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


We derive in a simple way the (Z2)3 symmetry which characterizes uniquely the phenomenologically successful tripartite form leading to the tribimaximal mixing in the neutrino mass matrix. We impose this symmetry in a setup including the charged leptons and find that it can accommodate all the possible patterns of lepton masses in the framework of type-I and type-II seesaw mechanisms. We also discuss the possibility of generating enough baryon asymmetry through lepton-lepton asymmetry.

Original languageEnglish
Article number115013
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number11
Publication statusPublished - Dec 21 2009

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)


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