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Physics implication from higher weak isospin decomposition
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DOI：10.1140/epjc/s10052-023-11886-0.png)
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Abstract
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The SU(3)L circle times U(1)X symmetry actually studied is directly broken to the electroweak symmetry SU(2)L circle times 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 circle times U(1)T8 at TeV, before the latter U(1)T8 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)T8 circle times 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.
Keywords:
INTERACTING DARK-MATTER
GAUGE-SYMMETRY
MODEL
MASS
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4.8
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