Constraints On Radiative Neutrino Mass Models From Oscillation Data

Details Constraints On Radiative Neutrino Mass Models From Oscillation Data Constraints On Radiative Neutrino Mass Models From Oscillation Data

2001-11-22

arxiv.org/abs/hep-ph/0111290v2

Phys.Rev. D65 (2002) 073011

Physics

High Energy Physics

High Energy Physics - Phenomenology

The paper has been substantially rewritten, especially in Section IV, though the basic results are unchanged. Some new referen

Scientific paper

10.1103/PhysRevD.65.073011

The three neutrino Zee model and its extension including three active and one sterile species are studied in the light of new neutrino oscillation data. We obtain analytical relations for the mixing angle in solar oscillations in terms of neutrino mass squared differences. For the four neutrino case, we obtain the result $\mathsf{sin^2 2 \theta_\odot \approx 1 - [ (\Delta m^2_{Atm})^2/(4 \Delta m^2_{LSND} \Delta m^2_\odot) ]^2}$, which can accommodate both the large and small mixing scenarios. We show that within this framework, while both the SMA-MSW and the LMA-MSW solutions can easily be accommodated, it would be difficult to reconcile the LOW-QVO solutions. We also comment on the active-sterile admixture within phenomenologically viable textures.

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