Bilarge neutrino mixing from supersymmetry with high-scale nonrenormalizable interactions
arXiv:hep-ph/0510298 · doi:10.1103/PhysRevD.73.035003
Abstract
We suggest a supersymmetric (SUSY) explanation of neutrino masses and mixing, where nonrenormalizable interactions in the hidden sector generate lepton number violating Majorana mass terms for both right-chiral sneutrinos and neutrinos. It is found necessary to start with a superpotential including an array of gauge singlet chiral superfields. This leads to nondiagonal mass terms and almost diagonal SUSY breaking -terms. As a result, the observed pattern of bilarge mixing can be naturally explained by the simultaneous existence of the seesaw mechanism and radiatively induced masses. Allowed ranges of parameters in the gauge singlet sector are delineated, corresponding to each of the cases of normal hierarchy, inverted hierarchy and degenerate neutrinos.
arXiv comment19 pages, 5 figures. Minor modifications are made in the title and the text, some new references are added. To appear in this form in Physical Review D
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Cited by in corpus (3)
- Bilarge neutrino mixing in R-parity violating supersymmetry: the role of right-chiral neutrino superfields
- One-loop contribution to the neutrino mass matrix in NMSSM with right-handed neutrinos and tri-bimaximal mixing
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