Enhancement of the Transition Magnetic Moments of a Neutrino by Degenerate Electrons

The one-loop induced magnetic dipole moments of a neutrino are examined in a background of degenerate electrons in the standard model. For the nonrelativistic neutrino, these moments are enhanced by a factor (8p F /3m ν), where p F is the electron Fermi momentum and m ν the neutrino mass. For the re...

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Veröffentlicht in:Progress of theoretical and experimental physics 1996-03, Vol.95 (3), p.543-555
1. Verfasser: Kikuchi, Hisashi
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description The one-loop induced magnetic dipole moments of a neutrino are examined in a background of degenerate electrons in the standard model. For the nonrelativistic neutrino, these moments are enhanced by a factor (8p F /3m ν), where p F is the electron Fermi momentum and m ν the neutrino mass. For the relativistic neutrino, they enhance the flavor-changing but helicity-conserving process due to the absence of the GIM cancellation.
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title Enhancement of the Transition Magnetic Moments of a Neutrino by Degenerate Electrons
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