Neutrino Mass Seesaw Version 3: Recent Developments
classification
✦ hep-ph
keywords
versionheavydevelopmentsfermionideamajoranamassneutrino
read the original abstract
The origin of neutrino mass is usually attributed to a seesaw mechanism, either through a heavy Majorana fermion singlet (version 1) or a heavy scalar triplet (version 2). Recently, the idea of using a heavy Majorana fermion triplet (version 3) has gained some attention. This is a review of the basic idea involved, its U(1) gauge extension, and some recent developments.
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