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Phys Rev Lett. 2005 Oct 14;95(16):161801. doi: 10.1103/PhysRevLett.95.161801. Epub 2005 Oct 14.

Supersymmetric SO10 seesaw mechanism with low B-L scale.

Physical review letters

M Malinský, J C Romão, J W F Valle

Affiliations

  1. Scuola Superiore di Studi Avanzati, Italy. [email protected]

PMID: 16241784 DOI: 10.1103/PhysRevLett.95.161801

Abstract

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 flavor and CP violating processes at appreciable levels.

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