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We have conducted a revised analysis of the first-order phase transition that is associated with symmetry breaking in a classically scale-invariant model that has been extended with a new $SU(2)$ gauge group. By incorporating recent…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-03 Alexandros Karam , Maciej Kierkla , Bogumiła Świeżewska

We present an updated analysis of the first-order phase transition associated with symmetry breaking in the early Universe in a classically scale-invariant model extended with a new SU(2) gauge group. Including recent developments in…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-03 Maciej Kierkla , Alexandros Karam , Bogumila Swiezewska

We propose a new realization of softly broken supersymmetric theories as theories defined on stochastic superspace. At the classical level, the supersymmetry breaking is parameterized in terms of a single (in general complex) mass…

High Energy Physics - Phenomenology · Physics 2015-05-13 Archil Kobakhidze , Nadine Pesor , Raymond R. Volkas

The emergence of a scale hierarchy in the case of spontaneous radiative breaking of conformal symmetry is discussed using the example of a simple quantum field theory model. The Coleman-Weinberg mechanism is implemented in the one-loop…

High Energy Physics - Phenomenology · Physics 2021-04-28 A. B. Arbuzov , U. E. Voznaya , T. V. Kopylova

This study examines on-shell supersymmetry breaking in the Abelian $\mathcal{N}=1$ Chern-Simons-matter model within a three-dimensional spacetime. The classical Lagrangian is scale-invariant, but two-loop radiative corrections to the…

High Energy Physics - Theory · Physics 2023-05-22 A. C. Lehum

Radiative symmetry breaking provides an appealing explanation for electroweak symmetry breaking and addresses the hierarchy problem. We present a comprehensive phenomenological study of this scenario, focusing on its key feature: the…

High Energy Physics - Phenomenology · Physics 2026-05-22 Wei Liu , Ke-Pan Xie

Theories with radiative symmetry breaking (RSB) lead to first-order phase transitions and the production of gravitational waves as well as primordial black holes if the supercooling period lasted long enough. Here we explain how to…

High Energy Physics - Phenomenology · Physics 2026-02-09 Francesco Rescigno , Alberto Salvio

Under the assumption of classical conformal invariance, we study the Coleman-Weinberg symmetry breaking mechanism in the minimal left-right symmetric model. This model is attractive as it provides a natural framework for small neutrino…

High Energy Physics - Phenomenology · Physics 2010-09-15 Martin Holthausen , Manfred Lindner , Michael A. Schmidt

Grand unification of gauge couplings and fermionic representations remains an appealing proposal to explain the seemingly coincidental structure of the Standard Model. However, to realise the Standard Model at low energies, the unified…

High Energy Physics - Phenomenology · Physics 2022-08-16 Aaron Held , Jan Kwapisz , Lohan Sartore

Radiaitve mechanism of conformal symmetry breaking in a comformal-invariant version of the Standard Model is considered. The Coleman-Weinberg mechanism of dimensional transmutation in this system gives rise to finite vacuum expectation…

High Energy Physics - Phenomenology · Physics 2017-02-06 A. B. Arbuzov , R. G. Nazmitdinov , A. E. Pavlov , V. N. Pervushin , A. F. Zakharov

If supersymmetric particles are discovered, an important problem will be to determine how supersymmetry has been broken. At collider energies, supersymmetry breaking can be parameterised by soft supersymmetry breaking parameters. Several…

High Energy Physics - Phenomenology · Physics 2012-11-07 Jamil Hetzel

A search for supersymmetry anomalies requires an examination of the BRS cohomology of supersymmetric Yang-Mills coupled to chiral matter, and the physically interesting (on-shell) anomalies are those which cannot be eliminated using the…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. A. Dixon

Radiative symmetry breaking (RSB) is a theoretically appealing framework for the generation of mass scales through quantum effects. It can be successfully implemented in models with extended scalar and gauge sectors. We provide a systematic…

High Energy Physics - Phenomenology · Physics 2018-08-23 Leonardo Chataignier , Tomislav Prokopec , Michael G. Schmidt , Bogumila Swiezewska

Through defining irreducible loop integrals (ILIs), a set of consistency conditions for the regularized (quadratically and logarithmically) divergent ILIs are obtained to maintain the generalized Ward identities of gauge invariance in…

High Energy Physics - Theory · Physics 2009-11-07 Yue-Liang Wu

We investigate a radiative electroweak gauge symmetry breaking scenario via the Coleman-Weinberg mechanism starting from a completely flat Higgs potential at the Planck scale ("flatland scenario"). In our previous paper, we showed that the…

High Energy Physics - Phenomenology · Physics 2014-03-26 Michio Hashimoto , Satoshi Iso , Yuta Orikasa

First-order phase transitions produce gravitational waves and primordial black holes. They always occur in field theories where symmetries are radiatively broken and masses are correspondingly generated. These theories predict a period of…

High Energy Physics - Phenomenology · Physics 2026-05-19 Alberto Salvio

We show that simultaneous gauge and supersymmetry breaking can be induced by radiative corrections, a la Coleman-Weinberg. When a certain correlation among the superpotential parameters is present, a local supersymmetry-breaking minimum is…

High Energy Physics - Phenomenology · Physics 2017-08-23 Borut Bajc , Stéphane Lavignac , Timon Mede

We investigate a possibility of the "flatland scenario", in which the electroweak gauge symmetry is radiatively broken via the Coleman-Weinberg mechanism starting from a completely flat Higgs potential at the Planck scale. We show that the…

High Energy Physics - Phenomenology · Physics 2015-04-28 Michio Hashimoto , Satoshi Iso , Yuta Orikasa

We study the possibility of radiative electroweak symmetry breaking where loop corrections to the mass parameter of the Higgs boson trigger the symmetry breaking in various extensions of the Standard Model (SM). Although the mechanism fails…

High Energy Physics - Phenomenology · Physics 2017-05-24 K. S. Babu , Ilia Gogoladze , S. Khan

Supersymmetry does not dictate the way we should quantize the fields in the supermultiplets, and so we have the freedom to quantize the Standard Model (SM) particles and their superpartners differently. We propose a generalized quantization…

High Energy Physics - Phenomenology · Physics 2015-11-24 Chiu Man Ho , Nobuchika Okada
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