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Related papers: The Electroweak Phase Transition in Ultra Minimal …

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It is well known that the electroweak phase transition (EWPhT) in extensions of the Standard Model with one real scalar singlet can be first-order for realistic values of the Higgs mass. We revisit this scenario with the most general…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jose R. Espinosa , Thomas Konstandin , Francesco Riva

Motivated by the fact that the Next-to-Minimal Supersymmetric Standard Model is one of the most plausible models that can accommodate electroweak baryogenesis, we analyze its phase structure by tracing the temperature dependence of the…

High Energy Physics - Phenomenology · Physics 2020-01-29 Peter Athron , Csaba Balazs , Andrew Fowlie , Giancarlo Pozzo , Graham White , Yang Zhang

A possible solution to the observed baryon asymmetry in the universe is described, based on the physics of the standard model of electroweak interactions. At temperatures high enough electroweak physics provides violation of baryon number,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicholas Petropoulos

We propose a group theoretic condition which may be applied to extensions of the Standard Model in order to locate regions of parameter space in which the electroweak phase transition is strongly first order, such that electroweak…

High Energy Physics - Phenomenology · Physics 2014-06-02 Vernon Barger , Daniel J. H. Chung , Andrew J. Long , Lian-Tao Wang

The electroweak phase transition broke the electroweak symmetry. Perturbative methods used to calculate observables related to this phase transition suffer from severe problems such as gauge dependence, infrared divergences, and a breakdown…

High Energy Physics - Phenomenology · Physics 2021-02-03 Andreas Ekstedt , Johan Löfgren

The primary objective of this work is to investigate the cosmological phase transitions in the early Universe, with a focus on the electroweak phase transition in the Standard Model and its extensions. In the Standard Model, the…

High Energy Physics - Phenomenology · Physics 2024-07-02 Apostolos Giovanakis

We analyse and compare the finite-temperature electroweak phase transition properties of classically (non)conformal extensions of the Standard Model. In the classically conformal scenarios the breaking of the electroweak symmetry is…

High Energy Physics - Phenomenology · Physics 2020-03-11 Francesco Sannino , Jussi Virkajärvi

In this work we shall consider the effects of a non-trivial topology on the effective potential of the Standard Model. Specifically we shall assume that the spacetime topology is $S^1\times R^3$ and we shall calculate the Standard Model…

High Energy Physics - Phenomenology · Physics 2025-04-02 V. K. Oikonomou

The salient features of models of dynamical electroweak symmetry breaking are reviewed. The ideal walking idea is introduced according to which one should carefully take into account the effects of the extended technicolor dynamics on the…

High Energy Physics - Phenomenology · Physics 2011-01-27 Francesco Sannino

We perform an analysis of the behaviour of the electroweak phase transition in the Minimal Supersymmetric Standard Model, in the presence of light stops. We show that, in previously unexplored regions of parameter space, the order parameter…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , M. Quiros , C. E. M. Wagner

Multiple electroweak phase transitions occurring sequentially in the early universe can give rise to intriguing phenomenology, compared to the typical single-step electroweak phase transition. In this work, we investigate this scenario…

High Energy Physics - Phenomenology · Physics 2025-09-05 Zong-guo Si , Hong-xin Wang , Lei Wang , Yang Zhang

We investigate the strongly first-order electroweak phase transition using an effective field theoretical approach. The standard effective field theory with finite number truncation of higher dimensional operators fails in the typical…

High Energy Physics - Phenomenology · Physics 2022-06-22 Shinya Kanemura , Ryo Nagai , Masanori Tanaka

The dynamics of the electroweak phase transition in the early universe has profound implications for cosmology and particle physics. We systematically study the steady-state dynamics of bubble walls in scenarios where the transition is…

High Energy Physics - Phenomenology · Physics 2025-08-07 Carlo Branchina , Angela Conaci , Stefania De Curtis , Luigi Delle Rose

The Lee-Wick Standard Model at temperatures near electroweak scale is considered, with the aim of studying the electroweak phase transition. While Lee-Wick theories possess states of negative norm, they are not pathological but instead are…

High Energy Physics - Phenomenology · Physics 2013-10-30 Richard F. Lebed , Andrew J. Long , Russell H. TerBeek

We use modern dimensionally-reduced effective field theory methods, with careful attention to scale hierarchies, to analyze and catalog the types of first-order electroweak phase transitions that are possible in the Standard Model Effective…

High Energy Physics - Phenomenology · Physics 2025-12-01 Eliel Camargo-Molina , Rikard Enberg , Johan Löfgren

The consecutive integration over the distinct mass scales ${\cal O}(T),{\cal O}(gT)$ leads to a hierarchy of effective models for the electroweak phase transition. Different techniques for the realisation of such strategy are reviewed.…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Patkós

We study theories which naturally select a vacuum with parametrically small Electroweak Scale due to finite temperature effects in the early universe. In particular, there is a scalar with an approximate shift symmetry broken by a…

High Energy Physics - Phenomenology · Physics 2016-01-20 Edward Hardy

We examine the behavior of the standard-model electroweak phase transition in the early Universe. We argue that close to the critical temperature it is possible to estimate the {\it effective} infrared corrections to the 1-loop potential…

High Energy Physics - Phenomenology · Physics 2009-10-22 Marcelo Gleiser , Edward W. Kolb

We study the dynamics of electroweak phase transition in a simple extension of the Standard Model where the Higgs sector is extended by adding an $SU(2)_L$-triplet with hypercharge Y=2. By making random scans over the parameters of the…

High Energy Physics - Phenomenology · Physics 2021-04-21 Mohammad Javad Kazemi , Shehu AbdusSalam

We study the electroweak phase transition in the minimal extension of the Standard Model: an extra complex singlet with zero vacuum expectation value. The first-order phase transition is strengthened by the cubic term triggered in the…

High Energy Physics - Phenomenology · Physics 2009-10-22 J. R. Espinosa , M. Quirós