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The fermionic sector of the Standard Model of Elementary Particles emerges as the low energy limit of a single fermionic field freely propagating in a higher dimensional background. The local geometrical framework is obtained by enforcing…

High Energy Physics - Theory · Physics 2007-05-23 P. Maraner

We propose a mechanism naturally leading to the spontaneous symmetry breaking in a gauge theory. The Higgs field is assumed to have global and gauged internal symmetries. We associate a non zero chemical potential to one of the globally…

High Energy Physics - Phenomenology · Physics 2009-11-10 Francesco Sannino , Kimmo Tuominen

Starting from a general $\rm SU_2\times U_1$ invariant interaction Lagrangian ${\cal L}_{\rm int}$ with four-fermion interactions between top $t$ and bottom $b$ quarks and working in the bubble approximation, we get a single Higgs as a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bernice Durand , Tu Zhang

In reference [1] a unified description, both at the effective and fundamental Lagrangian level, of models of composite Higgs dynamics was proposed. In the unified framework the Higgs itself can emerge, depending on the way the electroweak…

High Energy Physics - Lattice · Physics 2015-06-19 Ari Hietanen , Randy Lewis , Claudio Pica , Francesco Sannino

We construct two anomaly-free supersymmetric $U(1)'$ models with a secluded $U(1)'$-breaking sector. For the one with $E_6$ embedding we show that there exists a strong enough first order electroweak phase transition for electroweak…

High Energy Physics - Phenomenology · Physics 2011-04-28 Junhai Kang , Paul Langacker , Tianjun Li , Tao Liu

A new particle - discovered recently with the Atlas and CMS detectors at LHC - has been interpreted as the long sought Higgs-boson. A corresponding scalar field is needed to make the weak interaction gauge invariant and to understand the…

General Physics · Physics 2013-10-01 H. P. Morsch

We derive a set of gauge independent gap equations for Higgs boson and vector boson masses for the SU(2) Higgs model in three dimensions. The solutions can be associated with the Higgs phase and the symmetric phase, respectively. In the…

High Energy Physics - Phenomenology · Physics 2009-10-28 W. Buchmuller , O. Philipsen

This paper gives general intrinsic theory of general large $N_{c}$ QCD, SU(3) QCD, SU(2) hadron-dynamics and U(1) QED gauge field theories in general field theory and progress towards solving the nucleon spin crisis, i.e., presents general…

Nuclear Theory · Physics 2016-07-27 C. Huang , Yong-Chang Huang , B. H. Zhou

We investigate the scenario where the Standard Model is extended with classical scale invariance, which is broken by chiral symmetry breaking and confinement in a new strongly-coupled gauge theory that resembles QCD. The Standard Model…

High Energy Physics - Phenomenology · Physics 2017-06-21 Naoyuki Haba , Toshifumi Yamada

We introduce a $N=1$ supergravity model with a very simple hidden sector coupled to the electroweak gauge and Higgs sectors of the MSSM. At the classical level, supersymmetry and $SU(2)\times U(1)$ are both spontaneously broken, with…

High Energy Physics - Theory · Physics 2014-07-16 Hui Luo , Fabio Zwirner

We consider six-dimensional supergravity with gauge group $SO(10)\times U(1)_A$, compactified on the orbifold $T^2 / \mathbb{Z}_2$. Three quark-lepton generations arise as zero modes of a bulk $\bf16$-plet due to magnetic flux of the…

High Energy Physics - Theory · Physics 2015-10-14 Wilfried Buchmuller , Markus Dierigl , Fabian Ruehle , Julian Schweizer

We show that the local conformal group $C$ is a natural symmetry group of strong, electroweak and gravitational interactions. A model for these interactions invariant under the local symmetry group $G=SU(3)\times SU(2)_{L}\times U(1)\times…

High Energy Physics - Phenomenology · Physics 2008-02-03 Marek Pawlowski , Ryszard Raczka

An earlier suggestion that scalar fields in gauge theory may be introduced as frame vectors or vielbeins in internal symmetry space, and so endowed with geometric significance, is here sharpened and refined. Applied to a $u(1) \times su(2)$…

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

In the dynamical gauge-Higgs unification, it is shown that the mass of the Higgs boson (4D scalar field) in U(1) gauge theory in $M^4 \times T^n$ ($n=1,2,3,...$) is finite to all order in perturbation theory as a consequence of the large…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yutaka Hosotani

We extend the recently developed kinematical framework for diffeomorphism invariant theories of connections for compact gauge groups to the case of a diffeomorphism invariant quantum field theory which includes besides connections also…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Thomas Thiemann

This paper explores the argument structure of the concept of spontaneous symmetry breaking in the electroweak gauge theory of the Standard Model: the so-called Higgs mechanism. As commonly understood, the Higgs argument is designed to…

General Physics · Physics 2008-08-15 Holger Lyre

The standard approach to Higgs mechanism is based on the existence of unitary gauge but, unfortunately, it does not come from a coordinate change in the configuration space of the initial model and actually defines a new dynamical system.…

General Physics · Physics 2007-05-23 Assen Kyuldjiev

We construct a five dimensional supersymmetric SO(10)$\times$D$_3$ grand unified model with an $S^1/(Z_2 \times Z^\prime_2)$ orbifold as the extra dimension. The orbifold breaks half of the supersymmetry and breaks the SO(10) gauge symmetry…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hyung Do Kim , Stuart Raby , Leslie Schradin

We examine the status of massive gauge theories, such as those usually obtained by spontaneous symmetry breakdown, from the viewpoint of causal (Epstein-Glaser) renormalization. The BRS formulation of gauge invariance in this framework,…

High Energy Physics - Theory · Physics 2014-11-20 Michael Duetsch , Jose M. Gracia-Bondia , Florian Scheck , Joseph C. Varilly

Using a simplified lattice version of the electroweak sector of the standard model, with dynamical fermions excluded, we determine at fixed Weinberg angle the transition line between the confined phase and the Higgs phase, the latter…

High Energy Physics - Lattice · Physics 2023-12-27 Shivam Gangwani , Jeff Greensite , Anass Oualla
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