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Related papers: Fermion Generations and Mixing from Dualized Stand…

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The origin of fermion generations is one of the great mysteries in particle physics. We consider here a possible solution within the Standard Model framework based on a nonabelian generalization of electric-magnetic duality. First,…

High Energy Physics - Theory · Physics 2007-05-23 ST Tsou

The fermion generation puzzle has survived into this century as one of the great mysteries in particle physics. We consider here a possible solution within the Standard Model framework based on a nonabelian generalization of…

High Energy Physics - Theory · Physics 2016-12-21 HM Chan

Based on a nonabelian generalization of electric-magnetic duality, the Dualized Standard Model (DSM) suggests a natural explanation for exactly 3 generations of fermions as the `dual colour' $\widetilde{SU}(3)$ symmetry broken in a…

High Energy Physics - Phenomenology · Physics 2007-05-23 HM Chan , ST Tsou

A Dualized Standard Model recently proposed affords a natural explanation for the existence of Higgs fields and of exactly 3 generations of fermions, while giving at the same time the observed fermion mass hierarchy together with a…

High Energy Physics - Phenomenology · Physics 2009-10-30 J Bordes , HM Chan , J Faridani , J Pfaudler , ST Tsou

A solution to the generation puzzle based on a nonabelian generalization of electric-magnetic duality is briefly reviewed. It predicts 3 and only 3 generations of fermions and explains the hierarchical mass spectrum as well as the main…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. M. Chan , S. T. Tsou

The Dualized Standard Model offers a natural place both to Higgs fields and to fermion generations with Higgs fields appearing as frame vectors in internal symmetry space and generation appearing as dual colour. If they are assigned those…

High Energy Physics - Phenomenology · Physics 2011-04-15 HM Chan , ST Tsou

Possible physical consequences of a recently discovered nonabelian dual symmetry are explored in the standard model. It is found that both Higgs fields and fermion generations can be assigned a natural place in the dual framework, with…

High Energy Physics - Theory · Physics 2015-06-26 H. M. Chan , S. T. Tsou

We propose a 3+1 Higgs Doublet Model based on the $\Delta(27)$ family symmetry supplemented by several auxiliary cyclic symmetries leading to viable Yukawa textures for the Standard Model fermions, consistent with the observed pattern of…

High Energy Physics - Phenomenology · Physics 2023-01-11 A. E. Cárcamo Hernández , Ivo de Medeiros Varzielas , M. L. López-Ibáñez , Aurora Melis

Apart from offering explanations not only for the distinctive fermion mass and mixing patterns but also for the actual values of the mass and mixing parameters, the dual colour solution to the generation puzzle gives numerous detailed…

High Energy Physics - Phenomenology · Physics 2007-05-23 HM Chan

A nonuniversal abelian extension $\mathrm{U(1)}_{X}$ free from chiral anomalies is introduced into the Standard Model (SM), in order to evaluate its suitability in addressing the fermion mass hierarchy (FMH) by using seesaw mechanisms…

High Energy Physics - Phenomenology · Physics 2018-08-08 Carlos E. Díaz , S. F Mantilla , R. Martinez

We investigate an extension of the Standard Model (SM) incorporating a gauge $ U(1) $ horizontal symmetry that is free of anomalies. This extension introduces four additional un-Higgsed scalar doublets that do not develop vacuum expectation…

High Energy Physics - Phenomenology · Physics 2024-08-06 We-Fu Chang

We show that assuming fermion generations to be given by a gauge symmetry plus a certain Higgs mechanism for its breaking, the known empirical features of quark and lepton mixing can be largely explained, including in particular the fact…

High Energy Physics - Phenomenology · Physics 2011-09-13 J Bordes , HM Chan , ST Tsou

The framed standard model (FSM) suggested earlier, which incorporates the Higgs field and 3 fermion generations as part of the framed gauge theory structure, is here developed further to show that it gives both quarks and leptons…

High Energy Physics - Phenomenology · Physics 2012-06-14 Michael J. Baker , J. Bordes , H. M. Chan , S. T. Tsou

In this paper we propose a possible explanation to the Fermion mass hierarchy problem by fitting the type-II seesaw mechanism into the Higgs doublet sector, such that their vacuum expectation values are hierarchal. We extend the Standard…

High Energy Physics - Phenomenology · Physics 2012-01-04 Wei Chao

While the properties of the observed Higgs boson agree with the Standard Model predictions, the hierarchy of fermion masses lacks an explanation within the model. In this work, we propose a fresh approach to this problem, involving a…

High Energy Physics - Phenomenology · Physics 2024-02-22 S. Baek , J. Kersten , P. Ko , L. Velasco-Sevilla

We suggest the fermion doubling for all quarks and leptons. It is a generalization of the neutrino doubling of the seesaw mechanism. The new quarks and leptons are $SU(2)$ singlets and carry the electromagnetic charges of their lighter…

High Energy Physics - Phenomenology · Physics 2010-11-01 Sanghyeon Chang , Jihn E. Kim

The Dualized Standard Model offers a natural explanation for Higgs fields and 3 generations of fermions plus a perturbative method for calculating SM parameters. By adjusting only 3 parameters, 14 quark and lepton masses and mixing…

High Energy Physics - Phenomenology · Physics 2011-04-15 HM Chan , J Bordes , ST Tsou

I report the analysis performed on fermion masses and mixing, including neutrino mixing, within the context of a model with hierarchical radiative mass generation mechanism for light charged fermions, mediated by exotic scalar particles at…

High Energy Physics - Phenomenology · Physics 2008-11-26 Albino Hernandez-Galeana

The group E_6 for grand unification is combined with the generation symmetry group SO(3)_g. The coupling matrices in the Yukawa interaction are identified with the vacuum expectation values of scalar fields which are representations of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Berthold Stech , Zurab Tavartkiladze

We built an extended 2HDM theory with a spontaneously broken $U(1) _{X}$ global symmetry, where the tree level Universal Seesaw Mechanism generates the mass hierarchy of the Standard Model charged fermions and the Zee-Babu mechanism…

High Energy Physics - Phenomenology · Physics 2024-10-25 A. E. Cárcamo Hernández , Diego Restrepo , Ivan Schmidt , Óscar Zapata
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