Alternatives to the Seesaw: Extra Z's and Constraints on Large Extra Dimensions
arXiv:hep-ph/0304053 · doi:10.1142/S0217751X03017336
Abstract
Alternatives to the traditional grand unified theory seesaw for neutrino masses are briefly described. These include the possibility of large extra dimensions and various possibilities for models involving an extra U(1)' gauge symmetry. The difficulty of observing Majorana phases in neutrinoless double beta decay is also briefly commented on.
Invited talk presented at Neutrinos and Implications for Physics Beyond the Standard Model, Stony Brook, October 2002. 13 pages. Additional references added
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Cited by in corpus (5)
- Theory of Neutrinos: A White Paper
- Global three-parameter model for neutrino oscillations using Lorentz violation
- Lorentz- and CPT-violating models for neutrino oscillations
- Neutrino Masses in Supersymmetric SU(3)_C x SU(2)_L x U(1)_Y x U(1)' Models
- U(1)' solution to the mu-problem and the proton decay problem in supersymmetry without R-parity