Type III Seesaw and Left-Right Symmetry

Details Type III Seesaw and Left-Right Symmetry Type III Seesaw and Left-Right Symmetry

2008-09-07

arxiv.org/abs/0809.1202v2

JHEP 0903:142,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, references added, to appear in JHEP

Scientific paper

10.1088/1126-6708/2009/03/142

The implementation of the Type III seesaw mechanism for neutrino masses in the context of left-right theories where parity is broken spontaneously is investigated. We propose a simple left-right symmetric theory where the neutrinos masses are generated through a double seesaw mechanism which is a combination of Type I and Type III seesaw. In this context we find a possible candidate for the cold dark matter in the Universe and discuss the Baryogenesis via Leptogenesis mechanisms. The spectrum of the theory, the phenomenological constraints and the possibility to test the theory at the Large Hadron Collider are investigated.

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