How Magnetic is the Dirac Neutrino?

  title={How Magnetic is the Dirac Neutrino?},
  author={N. Bell and V. Cirigliano and M. Ramsey-Musolf and P. Vogel and M. Wise},
  journal={Physical review letters},
  volume={95 15},
  • N. Bell, V. Cirigliano, +2 authors M. Wise
  • Published 2005
  • Medicine, Physics
  • Physical review letters
  • We derive model-independent, "naturalness" upper bounds on the magnetic moments munu of Dirac neutrinos generated by physics above the scale of electroweak symmetry breaking. In the absence of fine-tuning of effective operator coefficients, we find that current information on neutrino mass implies that[EQUATION: SEE TEXT] bohr magnetons. This bound is several orders of magnitude stronger than those obtained from analyses of solar and reactor neutrino data and astrophysical observations. 
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