Generic Friedberg-Lee Symmetry of Dirac Neutrinos

Details Generic Friedberg-Lee Symmetry of Dirac Neutrinos Generic Friedberg-Lee Symmetry of Dirac Neutrinos

2008-09-04

arxiv.org/abs/0809.0781v1

Phys.Rev.D78:117301,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex4 10 pages, 1 figure

Scientific paper

10.1103/PhysRevD.78.117301

We write out the generic Dirac neutrino mass operator which possesses the Friedberg-Lee (FL) symmetry and find that its corresponding neutrino mass matrix is asymmetric. Following a simple way to break the FL symmetry, we calculate the neutrino mass eigenvalues and show that the resultant neutrino mixing pattern is nearly tri-bimaximal. Imposing the Hermitian condition on the neutrino mass matrix, we also show that the simplified ansatz is consistent with current experimental data and favors the normal neutrino mass hierarchy.

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