TeV Scale Leptogenesis With Heavy Neutrinos

Details TeV Scale Leptogenesis With Heavy Neutrinos TeV Scale Leptogenesis With Heavy Neutrinos

2003-11-10

arxiv.org/abs/hep-ph/0311129v2

Phys.Rev.D69:077701,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

1+9 pages, no figure, comments added, minor revisions, to appear in PRD

Scientific paper

10.1103/PhysRevD.69.077701

Following a baryogenesis scenario proposed by Lazarides, Panagiotakopoulos and Shafi, we show how the observed baryon asymmetry can be explained via resonant leptogenesis in a class of supersymmetric models with an intermediate mass scale M_I<~10^9 GeV. It involves the out of equilibrium decay of heavy (<~M_I) right handed neutrinos at a temperature close to the TeV supersymmetry breaking scale. Such models can also resolve the MSSM mu problem.

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