English

Supernova Neutrino Energy Spectra and the MSW Effect

High Energy Physics - Phenomenology 2008-11-26 v2 Astrophysics

Abstract

The distortions in the thermal energy spectra for neutrinos produced in a supernova when a resonant oscillation, MSW effect, occurs are determined. In order to show this effect for some relevant and representative examples of unified gauge models, we have chosen SO(10)SO(10), and SU(5)SUSYSU(5)_{SUSY}, SO(10)SUSYSO(10)_{SUSY} with a particular scheme for fermion masses (DHR model). The analysis has been performed for two choices of neutrinos parameters, predicted by the above models, and capable to explain the solar neutrino problem. In both cases one observes a strong distortion in the electron neutrino energy spectrum. This effect, computed for a wide range of SO(10)SUSYSO(10)_{SUSY} models has produced the same results of the previous supersymmetric ones.

Keywords

Cite

@article{arxiv.hep-ph/9607226,
  title  = {Supernova Neutrino Energy Spectra and the MSW Effect},
  author = {F. Buccella and S. Esposito and C. Gualdi and G. Miele},
  journal= {arXiv preprint arXiv:hep-ph/9607226},
  year   = {2008}
}

Comments

14 pages, plain LaTeX, 6 figures, revised version to be published in Z. Phys. C