Supernova Neutrino Spectrum with Matter and Spin Flavor Precession Effects

Details Supernova Neutrino Spectrum with Matter and Spin Flavor Precession Effects Supernova Neutrino Spectrum with Matter and Spin Flavor Precession Effects

2003-06-21

arxiv.org/abs/astro-ph/0306433v1

JCAP 0311:004,2003

Astronomy and Astrophysics

Astrophysics

24pages, 7 figures

Scientific paper

10.1088/1475-7516/2003/11/004

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.

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