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arXiv · hep-ph/0404129

Majorana Neutrino Masses from Anomalous U(1) Symmetries

G. K. Leontaris·J. Rizos·A. Psallidas
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Abstract

We explore the possibility of interpreting the solar and atmospheric neutrino data within the context of the Minimal Supersymmetric Standard Model augmented by a single U(1) anomalous family symmetry spontaneously broken by non-zero vacuum expectation values of a pair of singlet fields. The symmetry retains a dimension-five operator which provides Majorana masses for left-handed neutrino states. Assuming symmetric lepton mass matrices, the model predicts inverse hierarchical neutrino mass spectrum, theta_{13}=0 and large mixing while at the same time it provides acceptable mass matrices for the charged fermions.

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G. K. Leontaris, J. Rizos, A. Psallidas. 2004-04-15. Majorana Neutrino Masses from Anomalous U(1) Symmetries. https://doi.org/10.1016/j.physletb.2004.07.005

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