Three Active and Two Sterile Neutrinos in an E_6 Model of Diquark Baryogenesis

Details Three Active and Two Sterile Neutrinos in an E_6 Model of Diquark Baryogenesis Three Active and Two Sterile Neutrinos in an E_6 Model of Diquark Baryogenesis

2000-12-28

arxiv.org/abs/hep-ph/0012366v1

J.Phys.G28:95-102,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

LATEX, 13 pages

Scientific paper

10.1088/0954-3899/28/1/307

In the U(1)_N extension of the supersymmetric standard model with E_6 particle content, the heavy singlet superfield N may decay into a quark and a diquark as well as an antiquark and an antidiquark, thus creating a baryon asymmetry of the Universe. We show how the three doublet and two singlet neutrinos in this model acquire mass from physics at the TeV scale without the benefit of using N as a heavy right-handed neutrino. Specifically, the active neutrinos get masses via the bilinear term \mu LX^c which conserves R-parity, and via the nonzero masses of the sterile neutrinos. We predict fixed properties of the extra Z' boson, as well as the new lepton doublets X and X^c, and the observation of diquark resonances at hadron colliders in this scenario.

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