Physics implication from higher weak isospin decomposition

The SU(3)${}_L$$\otimes$ U(1)${}_X$ symmetry actually studied is directly broken to the electroweak symmetry SU(2)${}_L$$\otimes$ U(1)${}_Y$ by a Higgs triplet, predicting a relevant new physics at TeV scale. This work argues, by contrast, that the higher weak isospin SU(3)${}_L$ might be broken at a high energy scale, much beyond 1 TeV, by a Higgs octet to an intermediate symmetry SU(2)${}_L$$\otimes$ U(1)${}_{T_8}$ at TeV, before the latter U(1)${}_{T_8}$ recombined with U(1)${}_X$ defines (i.e., broken to) U(1)${}_Y$ by a Higgs singlet. The new physics coupled to SU(3)${}_L$ breaking phase is decoupled, whereas what remains is a novel family-nonuniversal abelian model, U(1)${}_{T_8}$$\otimes$ U(1)${}_X$, significantly overhauling the standard model as well as yielding consistent results for neutrino mass, dark matter, W-mass anomaly, and FCNC, differently from the usual 3-3-1 model.