The Spin-Charge-Family Theory Is Explaining the Origin of Families, of the Higgs and the Yukawa Couplings

Norma Susana Mankoč Borštnik

Department of Physics, FMF, University of Ljubljana, Ljubljana, Slovenia.

DOI: 10.4236/jmp.2013.46113                

Abstract

The (extremely efficient) standard model of the elementary particles and fields makes several assumptions, which call for explanations. Any theory offering next step beyond the standard model must explain at least the existence and properties of families and their members and correspondingly the existence of the scalar Higgs and the Yukawa couplings, which in this model take care of masses of fermions and weak bosons and influence the decaying properties of families. The spin-charge-family theory [1-11] is offering a possible explanation for the assumptions of the standard model—for the appearance of families and their members (for the charges of a family members), for the gauge fields, for the scalar fields—interpreting the standard model as its low energy effective manifestation. The spin-charge-family theory predicts at the low energy regime two decoupled groups of four families of quarks and leptons. The predicted fourth family waits to be observed, while the stable fifth family is the candidate to form the dark matter. In this paper properties of families are analysed. The appearance of several scalar fields, all in the bosonic (adjoint) representations with respect to the family groups, while they are doublets with respect to the weak charge, is presented, their properties discussed, it is explained how these scalar fields can effectively be interpreted as the standard model Higgs and the Yukawa couplings. The spin-charge-family theory predicts that there are no supersymmetric partners of the observed fermions and bosons.

Keywords

Unifying Theories; Beyond the Standard Model; Origin of Families; Origin of Mass Matrices of Leptons and Quarks; Flavour Symmetry; The Fourth Family; Origin and Properties of Scalar Fields; Origin of Dark Matter; Origin and Properties of Gauge Bosons; Kaluza-Klein-Like Theories

Conflicts of Interest

The authors declare no conflicts of interest.

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