A Predictive Ansatz for Neutrino Mixing and Leptogenesis
arXiv:hep-ph/0206245 · doi:10.1016/S0370-2693(02)02615-1
Abstract
We propose a non-SO(10) modification of the Buchmueller-Wyler ansatz for neutrino mixing and leptogenesis, in which charged lepton, Dirac and Majorana neutrino mass matrices have fewer free parameters. Predictions of this new ansatz for three light neutrino masses, three lepton flavor mixing angles, the neutrinoless double-beta decay and the cosmological matter-antimatter asymmetry are all in very good agreement with current experimental and observational data.
RevTex 14 pages. More discussions added. Accepted for publication in Phys. Lett. B
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- Observable Consequences of Partially Degenerate Leptogenesis
- Leptogenesis without CP Violation at Low Energies
- Quarks and Leptons between Branes and Bulk
- Hierarchical Neutrino Masses and Large Mixing Angles from the Fritzsch Texture of Lepton Mass Matrices
- Lepton Mass Matrices with Four Texture Zeros
- Leptogenesis, Yukawa Textures and Weak Basis Invariants
- Leptonic CP Violation and Neutrino Mass Models
- S_3 Flavor Symmetry and Leptogenesis
- Leptogenesis in Neutrino Textures with Two Zeros
- Leptonic CP violation phases using an ansatz for the neutrino mass matrix and application to leptogenesis
- Seesaw Enhancement of Bi-large Mixing in Two-Zero Textures