Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-28
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.
Ma Ernest
Raidal Martti
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