Phenomenology of neutrinophilic Higgs GUT

Naoyuki Haba, Kunio Kaneta, Yasuhiro Shimizu

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Among three typical energy scales, a neutrino mass scale (m ν∼0.1eV), a GUT scale (MGUT∼10 16GeV), and a TeV-scale (MNP∼1TeV), there is a fascinating relation of MNP≃mνṡM GUT The TeV-scale, MNP, is a new physics scale beyond the standard model which is regarded as "supersymmetry" (SUSY) in this letter. We investigate phenomenology of SUSY SU(5) GUT with neutrinophilic Higgs, which realizes the above relation dynamically as well as the suitable magnitude of Dirac mass, mν, through a tiny vacuum expectation value of neutrinophilic Higgs. As a remarkable feature of this model, accurate gauge coupling unification can be achieved as keeping with a proton stability. We also evaluate flavor changing processes in quark/lepton sectors.

Original languageEnglish (US)
Title of host publicationGUT 2012
Number of pages4
StatePublished - Dec 1 2012
EventInternational Workshop on Grand Unified Theories, GUT 2012 - Kyoto, Japan
Duration: Mar 15 2012Mar 17 2012


OtherInternational Workshop on Grand Unified Theories, GUT 2012


  • SU(5) GUT
  • flavor violation
  • gauge coupling unification
  • neutrinophilic Higgs


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