• Two-loop Majorana neutrino mass and magnetic moment in a gauge model

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    • Keywords


      Majorana transition magnetic moment; horizontal symmetry; VVO mechanism; LMA mechanism; BFZ mechanism; decaying dark matter; pseudo Dirac neutrino

    • Abstract


      Two-loop contributions to Majorana mass and transition magnetic moment in a gauge model not in conflict with decaying neutrino dark matter (DDM) hypothesis have been studied. Another variant of an earlier model [J Dhar and S Dev,Pramana — J. Phys.39 541 (1992)] consistent with the DDM hypothesis is proposed and is shown to lead to large enough neutrino magnetic moment and consistent with the phenomenological constraints on neutrino mass.

    • Author Affiliations


      Jyoti Dhar1 Umesh Pandey1 S Dev1

      1. Department of Physics, Himachal Pradesh University, Summerhill, Shimla - 171 005, India
    • Dates

  • Pramana – Journal of Physics | News

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