Supernova Neutrino Spectrum with Matter and Spin Flavor Precession Effects
arXiv:astro-ph/0306433 · doi:10.1088/1475-7516/2003/11/004
Abstract
We consider Majorana neutrino conversions inside supernovae by taking into account both flavor mixing and the neutrino magnetic moment. We study the adiabaticity of various possible transitions between the neutrino states for both normal and inverted hierarchy within the various solar neutrino problem solutions. From the final mass spectrum within diffrent scenarios, we infer the consequences of the various conversion effects on the neutronization peak, the nature of final spectra, and the possible Earth matter effect on the final fluxes. This enable us to check the sensibility of the SN neutrino flux on magnetic moment interaction, and narrow down possible scenarios which depend on: the mass spectrum normal or inverted, the solution of the solar neutrino problem; and the value of MuxB.
arXiv comment24pages, 7 figures
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- Neutrino oscillations and supernovae
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- Noncyclic geometric phases and helicity transitions for neutrino oscillations in a magnetic field
- Neutrino oscillation and expected event rate of supernova neutrinos in adiabatic explosion model
- Resonant Spin-Flavor Precession of Sterile Neutrinos
- Neutrino magnetic moment signatures in the supernova neutrino signal
- Spin-Flavor Precession Phase Effects in Supernova