TeV scale double seesaw in left-right symmetric theories

Details TeV scale double seesaw in left-right symmetric theories TeV scale double seesaw in left-right symmetric theories

2010-03-16

arxiv.org/abs/1003.3154v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages; 2 figures

Scientific paper

We extend the Type I and Type III seesaw mechanisms to generate neutrino masses within the left-right symmetric theories where parity is spontaneously broken. We construct a next to minimal left-right symmetric model where neutrino masses are generated through a variant $double$ seesaw mechanism. In our model at least one of the triplet fermions and the right handed neutrinos are at TeV scale and others are heavy. The phenomenological aspects and testability of the TeV scale particles at collider experiments are discussed. The decays of heavy fermions leading to leptogenesis are pointed out.

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