Novel Supersymmetric SO(10) Seesaw Mechanism

Details Novel Supersymmetric SO(10) Seesaw Mechanism Novel Supersymmetric SO(10) Seesaw Mechanism

2005-06-28

arxiv.org/abs/hep-ph/0506296v3

Phys.Rev.Lett.95:161801,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, revtex4, references added, typos corrected, sharper discussion of the RGEs given

Scientific paper

10.1103/PhysRevLett.95.161801

We propose a new seesaw mechanism for neutrino masses within a class of supersymmetric SO(10) models with broken D-parity. It is shown that in such scenarios the B-L scale can be as low as TeV without generating inconsistencies with gauge coupling unification nor with the required magnitude of the light neutrino masses. This leads to a possibly light new neutral gauge boson as well as relatively light quasi-Dirac heavy leptons. These particles could be at the TeV scale and mediate lepton flavour and CP violating processes at appreciable levels.

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