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

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

2009-07-16

arxiv.org/abs/0907.2905v1

Int.J.Mod.Phys.A24:5977-5989,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1142/S0217751X09047612

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.

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