see also: http://vixra.org/pdf/1103.0002v4.pdf
3-Dimensional Rigid String based alternative particle model.
There is even room for Sterile Neutrinos and Majoranas or Dual Z particles and High mass Higgs resonances (dark matter quantum knots/nano black holes)
Sterile Neutrinos and Majoranas seem to have different origins according to the 3x hinged rigid string system of Quantum Function Follows Form model.
QUANTUM FFF THEORY, ON THE SHOLDERS OF 5 GIANTS: