Accomodating Solar and Atmospheric Neutrino Deficits, Hot Dark Matter, and a Double Beta Decay Signal

Abstract

Neutrino mass explanations of the solar and atmospheric neutrino deficits and a hot dark matter component require one of three patterns of those masses, as already pointed out by us. Recently there have been indications of a non-vanishing amplitude for neutrinoless double beta decay. If this additional hint of neutrino mass is true, it would make even less likely the one unfavored pattern (a sterile neutrino giving warm, rather than hot dark matter), would alter another by making the ${\nu }_e$ a contributor to the hot dark matter, and would make the third (${\nu }_e$, ${\nu }_{\mu }$, and ${\nu }_{\tau }$ approximately degenerate) much more likely than previously. For this third case we construct a gauge model consistent with other weak interaction data. This model utilizes a more general version of the see-saw mechanism, which is very likely to be the source of neutrino mass, if this degenerate pattern is correct. A new supernova constraint is utilized, and implications and tests of the different mass matrices are noted.

UCSB-HEP-94-03 and UMD-PP-94-90; { Tex File; 14 pages } (File jnl.tex included and minor misprints corrected.)

References in corpus (8)

• Predictive Neutrino Spectrum in Minimal $SO(10)$ Grand Unification
• Structure Formation with Cold + Hot Dark Matter
• Solar Model Uncertainties, MSW Analysis, and Future Solar Neutrino Experiments
• Neutrinoless Double Beta Decay and the Solar Neutrino Problem
• Constraints on Neutrino Oscillations from Big Bang Nucleosynethesis
• Is Large Lepton Mixing Excluded?
• Standard Model Contributions to the Neutrino Index of Refraction in the Early Universe
• Sterile Neutrinos and Future Solar Neutrino Experiments

Cited by in corpus (43)

• Atmospheric Neutrino Oscillation and a Phenomenological Lepton Mass Matrix
• Neutrino mass spectrum from the results of neutrino oscillation experiments
• Supernova Bounds on Majoron-emitting decays of light neutrinos
• Neutrino Mass Spectrum with ${\nu }_{\mu }$ $\to$ ${\nu }_s$ Oscillations of Atmospheric Neutrinos
• Short-baseline neutrino oscillations and neutrinoless double-beta decay in schemes with an inverted mass spectrum
• Supersymmetric Neutrino Masses and Mixing with R-parity Violation
• Neutrino mixing and CP-violation
• Neutrino propagation in matter with general interactions
• Supernova Bounds on Resonant Active-Sterile Neutrino Conversions
• Quasi-degenerate neutrinos from an abelian family symmetry
• A Mechanism for Ordinary-Sterile Neutrino Mixing
• Neutrino Masses
• Can lepton flavor violating interactions explain the atmospheric neutrino problem?
• Comparing and contrasting the ${\nu }_{\mu }\to {\nu }_{\tau }$ and ${\nu }_{\mu }\to {\nu }_s$ solutions to the atmospheric neutrino problem with SuperKamiokande data
• Active-active and active-sterile neutrino oscillation solutions to the atmospheric neutrino anomaly
• How neutrino oscillations can induce an effective neutrino number of less than 3 during Big Bang Nucleosynthesis
• Cosmological Nucleosynthesis and Active-Sterile Neutrino Oscillations with Small Mass Differences: The Nonresonant Case
• An Inverted Mass Hierarchy for Hot Dark Matter and the Solar Neutrino Problem.
• Almost Degenerate Neutrinos with Maximal Mixing
• Dark Matter Neutrinos Must Come with Degenerate Masses
• Relic neutrino asymmetries and big bang nucleosynthesis in a four neutrino model
• Textures for Neutrino Mass Matrices
• Cosmological nucleosynthesis and active-sterile neutrino oscillations with small mass differences: The resonant case
• Electron Neutrino Mass Measurement by Supernova Neutrino Bursts and Implications on Hot Dark Matter
• Supersymmetric model of quasi-degenerate neutrinos
• Three Neutrino $\Delta m^2$ scales and Singular Seesaw Mechanism
• Cold Plus Hot Dark Matter Cosmology in the Light of Solar and Atmospheric Neutrino Oscillations
• Neutrino Mass Texture with Large Mixing
• Maximal mixing neutrino models
• Four species neutrino oscillations at $\nu$-Factory: sensitivity and CP-violation
• A Two Parameter Texture of Nearly Bi-maximal Neutrino Mixing
• Treating Solar Model Uncertainties: A Consistent Statistical Analysis of Solar Neutrino Models and Data
• U(2) and Maximal Mixing of nu_{mu}
• Degenerate Neutrinos in Left Right Symmetric Theory
• Lepton number violating interactions and their effects on neutrino oscillation experiments
• Vanishing corrections on the intermediate scale and implications for unification of forces
• Degenerate Dirac Neutrinos
• Implications of Solar and Atmospheric Neutrinos
• The neutrino mass scale and the mixing angle ${\theta }_{13}$ for quasi-degenerate Majorana neutrinos
• Can R-parity violation explain the LSND data as well?
• Unification Predictions With or Without Supersymmetry
• Neutrino Masses in Astrophysics and Cosmology
• Doublet-Singlet Oscillations and Dark Matter Neutrinos