Reexamination of a Bound on the Dirac Neutrino Magnetic Moment from the Supernova Neutrino Luminosity

Abstract

The neutrino helicity-flip process under the conditions of the supernova core is reinvestigated. Instead of the uniform ball model for the SN core used in previous analyses, realistic models for radial distributions and time evolution of physical parameters in the SN core are considered. A new upper bound on the Dirac neutrino magnetic moment is obtained from the limit on the supernova core luminosity for nu_R emission.

13 pages, LaTeX, 8 EPS figures, submitted to Int. J. Mod. Phys. A

References in corpus (2)

• Dynamics of shock propagation and nucleosynthesis conditions in O-Ne-Mg core supernovae
• Multi-Dimensional Explorations in Supernova Theory

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