Predictions on the neutrinoless double beta decay from the leptogenesis via the LHu flat direction

Details Predictions on the neutrinoless double beta decay from the leptogenesis via the LHu flat direction Predictions on the neutrinoless double beta decay from the leptogenesis via the LHu flat direction

2002-03-20

arxiv.org/abs/hep-ph/0203189v1

Phys.Lett. B538 (2002) 107-114

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX, 4 figures

Scientific paper

If the baryon asymmetry in the present universe is generated by decays of the $L H_u$ flat direction, the observed baryon asymmetry requires the mass of the lightest neutrino to be much smaller than the mass scale indicated from the atmospheric and solar neutrino oscillations. Such a small mass of the lightest neutrino leads to a high predictability on the rate of the neutrinoless double beta ($0\nu\beta\beta$) decay. In this letter we show general predictions on the $0\nu\beta\beta$ decay in the leptogenesis via the $LH_u$ flat direction.

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