(Z2)3 symmetry of the tripartite model

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


Abstract


We derive in a simple way the $(Z_2)^3$ 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.


Other data

Keywords High Energy Physics - Phenomenology
Issue Date 2009
Journal Physical Review D - Particles, Fields, Gravitation and Cosmology 
URI http://research.asu.edu.eg/123456789/674
DOI 10.1103/PhysRevD.80.115013


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