Dirac Leptogenesis in extended nMSSM

Details Dirac Leptogenesis in extended nMSSM Dirac Leptogenesis in extended nMSSM

2008-03-12

arxiv.org/abs/0803.1720v3

JHEP 0806:089,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, references added, numbering corrected, to be published in JHEP

Scientific paper

10.1088/1126-6708/2008/06/089

We show that a version of the nearly Minimal Supersymmetric Standard Model (nMSSM), extended only in the singlet sector to include the additional superfields of right-handed neutrinos and very heavy Dirac particles conserving $B-L$, admits a viable scenario for Dirac leptogenesis and naturally small Dirac neutrino masses. The origin of the ($B-L$)-conserving high singlet neutrino scale and the desired supersymmetry breaking terms is associated with dynamical supersymmetry breaking in the hidden sector.

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