Low-scale leptogenesis and soft supersymmetry breaking

Abstract

We investigate the possibility of low-scale leptogenesis in the minimal supersymmetric standard model extended with right handed (s)neutrinos. We demonstrate that successful leptogenesis can be easily achieved at a scale as low as ~ TeV where lepton number and CP violation comes from soft supersymmetry breaking terms. The scenario is shown to be compatible with neutrino masses data.

Comments: 4 pages, revtex, uses axodraw. Minor changes to match acccepted version in PRL