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Related papers: The classically conformal B$-$L extended Ma model

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We explore phenomenological implications of the minimal supersymmetric standard model (MSSM) with a strong supersymmetry breaking trilinear term. Supersymmetry breaking can trigger electroweak symmetry breaking via a symmetry-breaking…

High Energy Physics - Phenomenology · Physics 2014-02-24 Lauren Pearce , Alexander Kusenko , R. D. Peccei

In this paper, we derive the standard model with classical conformal invariance from the Yang--Mills--Higgs model in noncommutative geometry (NCG). In the ordinary context of the NCG, the {\it distance matrix} $M_{nm}$ which corresponds to…

High Energy Physics - Phenomenology · Physics 2020-05-28 Masaki J. S. Yang

The coupling constants $g_L$ and $g_X$ of some versions of the $SU(3)_L\otimes U(1)_X$ extension of the standard model are related through to relationship $g^2_X/g^2_L= \sin^2\theta_W/(1 - 4\sin^2\theta_W)$. This fact suggest that the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Doff

Supersymmetric B-L extension of the Standard Model (SM) is one of the best candidate for physics beyond the SM that accounts for TeV scale seesaw mechanism and provides an attractive solution for the Higgs naturalness problem. We analyze…

High Energy Physics - Phenomenology · Physics 2013-05-29 Shaaban Khalil

We study dynamical electroweak symmetry breaking with a fourth generation within the $Z_n$ orbifolded $AdS_5\otimes S^5$ framework. A realistic $Z_7$ example is discussed. The initial theory reduces dynamically, due to the induced…

High Energy Physics - Phenomenology · Physics 2015-05-27 Chiu Man Ho , Pham Q. Hung , Thomas W. Kephart

We show that the Planck mass scale can be generated from conformal gravity in the Weyl conformal geometry via the Coleman-Weinberg mechanism of dimensional transmutation where quantum corrections stemming from the gravitational field and…

High Energy Physics - Theory · Physics 2019-03-25 Ichiro Oda

We present a model of electroweak symmetry breaking in a warped extra dimension where electroweak symmetry is broken at the UV (or Planck) scale. An underlying conformal symmetry is broken at the IR (or TeV) scale generating masses for the…

High Energy Physics - Phenomenology · Physics 2015-05-13 Yanou Cui , Tony Gherghetta , James D. Wells

Free Lagrangians are found both for gauge and non-gauge bosonic conformal fields of any symmetry type and in any space-time dimension. Conformal gauge fields of various types, their gauge transformations and gauge invariant field strengths…

High Energy Physics - Theory · Physics 2010-01-21 M. A. Vasiliev

The simplest linear seesaw mechanism can accommodate the new CDF-II $W$ mass measurement. In addition to Standard Model particles, the model includes quasi-Dirac leptons, and a second, leptophilic, scalar doublet seeding small neutrino…

High Energy Physics - Phenomenology · Physics 2022-09-07 Aditya Batra , Praveen Bharadwaj , Sanjoy Mandal , Rahul Srivastava , José W. F. Valle

On the universal seesaw mass matrix model, which is a promising model of the unified description of the quark and lepton mass matrices, the behaviors of the gauge coupling constants and intermediate energy scales in the SO(10)_L\times…

High Energy Physics - Phenomenology · Physics 2011-09-13 Yoshio Koide

It is known that a Higgs $\mu$ term can be naturally generated through the K\"ahler potential in orbifold string models in which one of the three compactified complex planes has order two. In this class of models explicit expressions for…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Brignole , L. E. Ibáñez , C. Muñoz

In this work we study a classically scale-invariant extension of the Standard Model in which the dark matter and electroweak scales are generated through the Coleman-Weinberg mechanism. The extra $SU(3)_X$ gauge factor gets completely…

High Energy Physics - Phenomenology · Physics 2016-10-07 Alexandros Karam , Kyriakos Tamvakis

Models with classical scale symmetry, which feature radiative symmetry breaking, generically lead to a supercooled first-order phase transition in the early Universe resulting in a strong gravitational-wave signal, potentially observable by…

High Energy Physics - Phenomenology · Physics 2024-12-03 Bartosz Sojka , Bogumila Swiezewska

We study electroweak symmetry breaking involving the seesaw mechanism of quark condensation. These models produce a composite Higgs boson involving the left-handed top quark, yet the top mass arises naturally at the observed scale. We…

High Energy Physics - Phenomenology · Physics 2009-09-11 R. Sekhar Chivukula , Bogdan A. Dobrescu , Howard Georgi , Christopher T. Hill

We enlarge the lepton sector of the Standard Model by adding to it two right-handed neutrino singlets, and propose a model based on the seesaw mechanism and on the lepton number $\bar L = L_e - L_\mu - L_\tau$. The model is innovative from…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. Lavoura , W. Grimus

By extending the Standard Model with singlet-doublet fermions and triplet scalars, all odd under a new $Z_2$ symmetry, we introduce a radiative seesaw model that can simultaneously account for dark matter, explain the existence of neutrino…

High Energy Physics - Phenomenology · Physics 2019-09-16 J. Fiaschi , M. Klasen , S. May

We generalize the $(n+1)$-dimensional twisted $R$-Poisson topological sigma model with flux on a target Poisson manifold to a Lie algebroid. Analyzing consistency of constraints in the Hamiltonian formalism and the gauge symmetry in the…

High Energy Physics - Theory · Physics 2021-10-20 Noriaki Ikeda

The Very Special Relativity Electroweak Standard Model (VSR EW SM) is a theory with $SU(2)_L \times U(1)_R$ symmetry, with the same number of leptons and gauge fields as in the usual Weinberg-Salam (WS) model. No new particles are…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jorge Alfaro , Pablo González , Ricardo Ávila

We propose a predictive radiative seesaw model at one-loop level with a flavor dependent gauge symmetry $U(1)_{xB_3-xe-\mu+\tau}$ and Majorana fermion dark matter. For the neutrino mass matrix, we obtain an $A_1$ type texture (with two…

High Energy Physics - Phenomenology · Physics 2017-08-23 P. Ko , Takaaki Nomura , Hiroshi Okada

The type-I seesaw model is probably the most straightforward and best studied extension of the Standard Model that can account for the tiny active neutrino masses determined from neutrino oscillation data. In this article, we calculate the…

High Energy Physics - Phenomenology · Physics 2022-12-28 Andreas Crivellin , Fiona Kirk , Claudio Andrea Manzari