Volume 96, Number 2, October 2011
|Number of page(s)||4|
|Section||The Physics of Elementary Particles and Fields|
|Published online||12 September 2011|
Why is TeV scale a geometric mean of neutrino mass and GUT scale?
Department of Physics, Osaka University - Toyonaka, Osaka 560-0043, Japan
Accepted: 25 August 2011
Among three typical energy scales, a neutrino mass scale (mν∼0.1 eV), a GUT scale (MGUT∼1016 GeV), and a TeV scale (MNP∼1 TeV), there is a fascinating relation, i.e. . The TeV scale, MNP, is a new physics scale beyond the standard model which is regarded as supersymmetry in this letter. We suggest a simple supersymmetric neutrinophilic Higgs doublet model, which realizes the above relation dynamically as well as the suitable mν through a tiny vacuum expectation value of the neutrinophilic Higgs doublet without additional scales other than MNP and MGUT. A gauge coupling unification, which is an excellent feature in the supersymmetric standard model, is preserved automatically in this setup.
PACS: 12.60.-i – Models beyond the standard model / 12.10.-g – Unified field theories and models / 12.60.Fr – Extensions of electroweak Higgs sector
© EPLA, 2011
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