TeV Scale Leptogenesis With Heavy Neutrinos
S. Dar, S. Huber, V. N. Senoguz, Q. Shafi
Abstract
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 MI<~109 GeV. It involves the out of equilibrium decay of heavy (<~MI) 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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