Mass Varying Neutrinos in Supernovae

Details Mass Varying Neutrinos in Supernovae Mass Varying Neutrinos in Supernovae

2010-12-23

arxiv.org/abs/1012.5304v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures

Scientific paper

We study limits for the mass varying neutrino model, using constrains from supernova neutrinos placed by the r-process condition, $Y_e<0.5$. Also, we use this model in a supernova environment to study the regions of survival probability in the oscillation space parameter ($\tan^2\theta$ and $\Delta m^2_0$), considering the channel $\nu_e \rightarrow \nu_s$ and $\bar\nu_e \rightarrow \bar\nu_s$. We observe that r-process nucleosynthesis does not put severe constraints in our model, although new regions of isocurves of probability appear when our parameterization includes an inversion in the hierarchy between the neutrino eigenvalues $m_1$ and $m_4$.

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