Sneutrino Vacuum Expectation Values and Neutrino Anomalies Through Trilinear R-parity Violation
Abstract
Neutrino mass spectrum is reanalyzed in supersymmetric models with explicit trilinear R violation. Models in this category are argued to provide simultaneous solution to the solar and atmospheric neutrino anomalies. It is shown specifically that large mixing and hierarchical masses needed for the vacuum solution of neutrino anomalies arise naturally in these models without requiring any additional symmetries or hierarchies among the trilinear couplings.
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