Right-handed Sneutrino Inflation in SUSY B-L with Inverse Seesaw

Details Right-handed Sneutrino Inflation in SUSY B-L with Inverse Seesaw Right-handed Sneutrino Inflation in SUSY B-L with Inverse Seesaw

2011-08-09

arxiv.org/abs/1108.1973v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures; version to be published in Phys. Rev. D

Scientific paper

We propose a scenario for realizing inflation in the framework of supersymmetric B-L extension of the Standard Model. We find that one of the associated right-handed sneutrinos (the superpartner of the Standard Model singlet fermion) can provide a new non-trivial inflationary trajectory at tree level (therefore breaking B-L during inflation). As soon as the inflation ends, the right-handed sneutrino falls into the supersymmetric vacuum, with a vanishing vacuum expectation value, so that B-L symmetry is restored. In this class of models, the B-L gauge symmetry will be radiatively broken at a TeV scale and light neutrino masses are generated through the inverse seesaw mechanism.

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