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This paper includes two main parts. In the first part, we present generalized gauge models based on SU(3)_C x SU(4)_L x U(1)_X (3-4-1) gauge group with arbitrary electric charge of leptons. The mixing matrix of neutral gauge bosons is…

High Energy Physics - Phenomenology · Physics 2016-07-13 H. N. Long , L. T. Hue , D. V. Loi

The $SU(3)_C X SU(3)_L X U(1)_X$ gauge model with the minimal scalar sector (two Higgs triplets) is studied in detail. One of the vacuum expectation values $u$ is a source of lepton-number violations and a reason for the mixing among the…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. V. Dong , H. N. Long , D. T. Nhung , D. V. Soa

In this report the SU(3)_C X SU(3)_L X U(1)_X gauge model with minimal scalar sector, two Higgs triplets, is presented in detail. One of the vacuum expectation values $u$ is a source of lepton-number violations and a reason for mixing among…

High Energy Physics - Phenomenology · Physics 2009-12-17 P. V. Dong , H. N. Long

We propose a model having a gauged $SU(2)$ symmetry associated with the second and third generations of leptons, dubbed $SU(2)_{\mu\tau}$, of which $U(1)_{L_\mu-L_\tau}$ is an Abelian subgroup. In addition to the Standard Model fields, we…

High Energy Physics - Phenomenology · Physics 2018-05-15 Cheng-Wei Chiang , Koji Tsumura

Using the type-II seesaw mechanism with three Higgs doublets phi_alpha (alpha = e, mu, tau) and four Higgs triplets, we build a model for lepton mixing based on a 384-element horizontal symmetry group, generated by the permutation group S_3…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Grimus , L. Lavoura

Using the U(1)_Q invariance, the photon eigenstate and matching gauge coupling constants in SU(3)_C X SU(3)_L X U(1)_X models with beta arbitrary are given. The mass matrix of neutral gauge bosons is exactly diagonalized, and the photon…

High Energy Physics - Phenomenology · Physics 2008-11-26 Phung Van Dong , Hoang Ngoc Long

The unjustly neglected method of exactly solving generalized electro-weak models - with an original spontaneous symmetry breaking mechanism based on the gauge group $SU(n)_{L}\otimes U(1)_{Y}$ - is applied here to a particular class of…

High Energy Physics - Theory · Physics 2009-08-01 Adrian Palcu

Majorana features of neutrinos and SO(3) gauge symmetry of three families enable us to construct a gauge model of neutrino for understanding naturally the observed smallness of neutrino masses and the nearly tri-bimaximal neutrino mixing…

High Energy Physics - Phenomenology · Physics 2012-03-06 Yue-Liang Wu

It is proposed to replace the Higgs boson of the standard model by a Lorentz- and gauge-invariant combination of SU(2) gauge bosons. A pair of Higgs bosons is identified with pairs of gauge bosons by setting their mass Lagrangians equal to…

High Energy Physics - Phenomenology · Physics 2015-11-18 F. J. Himpsel

A novel model embedding the two Higgs doublets in the popular two Higgs doublet models into a doublet of a non-abelian gauge group $SU(2)_H$ is presented. The Standard Model $SU(2)_L$ right-handed fermion singlets are paired up with new…

High Energy Physics - Phenomenology · Physics 2016-05-04 Wei-Chih Huang , Yue-Lin Sming Tsai , Tzu-Chiang Yuan

The Standard Model for electroweak interactions derives four vector gauge boson from an SU(2)xU(1) symmetry. A doublet of complex scalar (Higgs) bosons is added to generate masses by spontaneous symmetry breaking. Both, the four vector…

General Physics · Physics 2015-09-04 Martin A. Faessler

We build a supersymmetric version of a recently proposed SU(3)xSU(3)xU(1)X model with heavy charged lepton and no bilepton gauge bosons.The model is an anomaly free, three generation extension of the Standard model with SU(3)L x U(1)gauge…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sutapa Sen , Aparna Dixit

The extension of the standard model to SU(3)_L x SU(3)_R x SU(3)_C is considered. Spontaneous symmetry breaking requires two Higgs field multiplets with a strong hierarchical structure of vacuum expectation values. These vacuum expectation…

High Energy Physics - Phenomenology · Physics 2013-05-30 Berthold Stech

An extension of the Standard Model to the local gauge group SU(3)_c X SU(3)_L X U(1)_X as a family independent model is presented. The mass scales, the gauge boson masses and the masses for the spin 1/2 particles in the model are studied.…

High Energy Physics - Phenomenology · Physics 2011-03-23 R. Martinez , William A. Ponce , Luis A. Sanchez

The Standard Model of electroweak interactions is shown to include a gauge theory for the observed scalar and pseudoscalar mesons. This is done by exploiting the consequences of embedding the SU(2)left X U(1) group into the chiral group of…

High Energy Physics - Phenomenology · Physics 2009-10-28 B. Machet

We propose the $SU(3)_C\times SU(3)_L\times U(1)_X$ model arising from $SU(6)$ breaking. One family of the Standard Model (SM) fermions arises from two $\bar{6}$ representations and one $15$ representation of $SU(6)$ gauge symmetry. To…

High Energy Physics - Phenomenology · Physics 2020-11-23 Tianjun Li , Junle Pei , Fangzhou Xu , Wenxing Zhang

We examine the simplest realization of the linear seesaw mechanism within the Standard Model gauge structure. Besides the standard scalar doublet, there are two lepton-number-carrying scalars, a nearly inert SU2 doublet and a singlet.…

High Energy Physics - Phenomenology · Physics 2020-01-08 Duarte Fontes , Jorge C. Romao , Jose W. F. Valle

An extension of the Standard Model to the local gauge group $SU(3)_c\otimes SU(4)_L\otimes U(1)_X$ as a three-family model is presented. The model does not contain exotic electric charges and we obtain a consistent mass spectrum by…

High Energy Physics - Phenomenology · Physics 2011-03-23 Luis A. Sanchez , Felipe A. Perez , William A. Ponce

We perform a careful study of the neutral scalar sector of a model which includes a singlet, a doublet, and a triplet scalar field under $SU(2)$. This model is motivated by neutrino physics, since it is simply the most general version of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Marco A. Diaz , M. A. Garcia-Jareno , Diego A. Restrepo , J. W. F. Valle

Gauging a specific difference of lepton numbers such as $L_{\mu}-L_{\tau}$ is a popular model-building option, which gives rise to economical explanations for the muon anomalous magnetic moment. However, this choice of gauge group seems…

High Energy Physics - Phenomenology · Physics 2022-03-23 Gonzalo Alonso-Álvarez , James M. Cline
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