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Related papers: Aspects of the Electroweak Phase Transition

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Electroweak baryogenesis is an attractive mechanism to generate the baryon asymmetry of the Universe via a strong first order electroweak phase transition. We compare the phase transition patterns suggested by the vacuum structure at the…

High Energy Physics - Phenomenology · Physics 2021-03-12 Sebastian Baum , Marcela Carena , Nausheen R. Shah , Carlos E. M. Wagner , Yikun Wang

We study the Electroweak phase transition with the Standard Model effective field theory at finite temperature and finite density. Utilizing the dimensional reduction approach, we construct the tree dimensional thermal effective field…

High Energy Physics - Phenomenology · Physics 2024-07-03 Renhui Qin , Ligong Bian

We review recent progress in the study of the anomalous baryon number non-conservation at high temperatures and in high energy collisions. Recent results on high temperature phase transitions are described, and applications to electroweak…

High Energy Physics - Phenomenology · Physics 2010-12-17 V. A. Rubakov , M. E. Shaposhnikov

The question of a phase transition in exiting the Planck epoch of the early universe is addressed. An order parameter is proposed to help decide the issue, and estimates are made concerning its behavior. Our analysis is suggestive that a…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Stuart Samuel

The commonly assumed cosmological history of our universe is that at early-times and high-temperatures the universe went through an ElectroWeak Phase Transition (EWPT). Assuming an EWPT, and depending on its strength, there are many…

High Energy Physics - Phenomenology · Physics 2019-02-06 Patrick Meade , Harikrishnan Ramani

The origin of the matter-antimatter asymmetry of the universe remains one of the outstanding questions yet to be answered by modern cosmology and also one of only a handful of problems where the need of a larger number of degrees of freedom…

High Energy Physics - Phenomenology · Physics 2017-08-23 Gabriella Piccinelli , Alejandro Ayala

An extension of the MSSM called the munuSSM does not allow a conventional thermal leptogenesis scenario because of the low scale seesaw that it utilizes. Hence, we investigate the possibility of electroweak baryogenesis. Specifically, we…

High Energy Physics - Phenomenology · Physics 2015-03-14 Daniel J. H. Chung , Andrew J. Long

We systematically investigate theoretical uncertainties in perturbative analyses of first-order electroweak phase transitions (EWPT). Utilizing the Standard Model Effective Field Theory (SMEFT) framework, we quantify the gauge dependence,…

High Energy Physics - Phenomenology · Physics 2025-03-26 Yongzhao Zhu , Jie Liu , Renhui Qin , Ligong Bian

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

There are many reasons to believe that there might be new sources of CP-violation beyond the phases of the KM matrix. One of these is the possibility of electroweak baryogenesis. We describe some recent developments in this subject and make…

High Energy Physics - Phenomenology · Physics 2015-06-25 Michael Dine

We consider electroweak baryogenesis mediated by embedded domain walls. Embedded domain walls originating from a symmetry breaking phase transition are stabilized by thermal plasma effects, so that the electroweak symmetry is unbroken in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert H. Brandenberger , Wessyl Kelly , Masahide Yamaguchi

We unveil the temperature-dependent electroweak phase transition in new extensions of the Standard Model in which the electroweak symmetry is spontaneously broken via strongly coupled, nearly-conformal dynamics achieved by the means of…

High Energy Physics - Phenomenology · Physics 2009-08-12 Matti Jarvinen , Thomas A. Ryttov , Francesco Sannino

In electroweak baryogenesis the baryon asymmetry of the universe is created during the electroweak phase transition. The quantum transport equations governing the dynamics of the plasma particles can be derived in the vev-insertion…

High Energy Physics - Phenomenology · Physics 2020-03-18 Marieke Postma , Jorinde van de Vis

The baryogenesis is reanalyzed based on the model by A.G.Cohen et al., in which the lepton number, generated by the neutrinos' scattering from the bubble walls appearing in the development of the electroweak phase transition, is converted…

High Energy Physics - Phenomenology · Physics 2019-08-15 Azusa Yamaguchi , Akio Sugamoto

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

A first-order Electroweak Phase Transition (EWPT) could explain the observed baryon-antibaryon asymmetry and its dynamics could yield a detectable gravitational wave signature, while the underlying physics would be within the reach of…

High Energy Physics - Phenomenology · Physics 2021-10-20 José Eliel Camargo-Molina , Rikard Enberg , Johan Löfgren

Electroweak baryogenesis is an interesting theoretical scenario, which demands physics beyond the Standard Model at energy scales of the order of the weak boson masses. It has been recently emphasized that, in the presence of light stops,…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Carena , M. Quiros , A. Riotto , I. Vilja , C. E. M. Wagner

The possibility of electroweak baryogenesis is considered within the framework of a left-right supersymmetric model. It is shown that for a range of parameters the large sneutrino VEV required for parity breaking varies at the electroweak…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tuomas Multamaki , Iiro Vilja

In this paper we study the effect of electroweak sphaleron transition or electroweak phase transition (EWPT) in balancing baryon excess to the excess stable quarks of $4^{th}$ generation. Considering the conservation of all quantum number…

High Energy Physics - Phenomenology · Physics 2021-06-23 Arnab Chaudhuri , Maxim Yu. Khlopov

The type-II seesaw model is a possible candidate for simultaneously explaining non-vanishing neutrino masses and the observed baryon asymmetry of the Universe. In this work, we study in detail the pattern of phase transition and the…

High Energy Physics - Phenomenology · Physics 2022-09-07 Ruiyu Zhou , Ligong Bian , Yong Du
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