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Related papers: Real time simulations and the electroweak phase tr…

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We argue that extensions of the Standard Model (SM) with a strongly first-order electroweak phase transition generically predict significant deviations of the Higgs couplings to gluons, photons, and Z bosons from their SM values. Precise…

High Energy Physics - Phenomenology · Physics 2015-06-18 Andrey Katz , Maxim Perelstein

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

I give a pedagogical introduction to the physics of electroweak symmetry breaking and the uses of effective field theory in the context of Higgs physics. Higgs boson production and decay at the LHC and the consistency of the Higgs…

High Energy Physics - Phenomenology · Physics 2018-01-03 S. Dawson

Strongly-coupled gauge theories are an important ingredient in the construction of many extensions of the standard model, particularly for models of electroweak symmetry breaking in which the Higgs boson is a composite object. There is a…

High Energy Physics - Lattice · Physics 2012-05-22 Ethan T. Neil

This contribution summarizes some of the important theoretical progress that has been made in the arena of electroweak physics at hadron colliders. The focus is on developments that have sharpened theoretical predictions for final states…

High Energy Physics - Phenomenology · Physics 2016-09-06 John M. Campbell

We explore the connection between the strength of the electroweak phase transition and the properties of the Higgs boson. Our interest is in regions of parameter space that can realize electroweak baryogenesis. We do so in a simplified…

High Energy Physics - Phenomenology · Physics 2013-05-30 Timothy Cohen , David E. Morrissey , Aaron Pierce

We review different avenues of electroweak symmetry breaking explored over the years. This constitutes a timely exercise as the world's largest and the highest energy particle accelerator, namely, the Large Hadron Collider (LHC) at CERN…

High Energy Physics - Phenomenology · Physics 2011-02-02 Gautam Bhattacharyya

Developments in precision electroweak physics in the two years since the symposium are briefly summarized.

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul Langacker

After the discovery of the Higgs boson, understanding the nature of electroweak symmetry breaking and the associated electroweak phase transition has become the most pressing question in particle physics. Answering this question is a…

High Energy Physics - Phenomenology · Physics 2017-05-16 Peisi Huang , Andrew J. Long , Lian-Tao Wang

We propose a new model of 5D $SU(3)\otimes U(1)_X$ gauge-Higgs unification with a successful electroweak symmetry breaking and a realistic Higgs boson mass. In our model, the representations of the fermions are very simple, the ${\bf 3},…

High Energy Physics - Phenomenology · Physics 2018-07-25 Yuki Adachi , Nobuhito Maru

Recent progress on the (g-2)_\mu prediction is presented. In the SM, the Higgs-boson mass dependent contributions have been evaluated exactly up to the two-loop level and consistently combined with leading three-loop effects. Thus, the…

High Energy Physics - Phenomenology · Physics 2015-06-17 H. G. Fargnoli , C. Gnendiger , S. Passehr , D. Stöckinger , H. Stöckinger-Kim

We use transport equations to compute the evolution of the quark plasma at the electroweak phase transition in the two-doublet Higgs model, obtaining in a more rigorous and quantitatively accurate way results consistent with previous work.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gian Franco Bonini

We give the nonperturbative phase diagram of the four-dimensional hot electroweak phase transition. A systematic extrapolation $a \to 0$ is done. Our results show that the finite temperature SU(2)-Higgs phase transition is of first order…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Csikor , Z. Fodor , J. Heitger

The utility of precision electroweak measurements for predicting the Standard Model Higgs mass via quantum loop effects is discussed. Current constraints from $m_W$ and $\sinsthw\mzms$ imply a relatively light Higgs $\lsim 154$ GeV which is…

High Energy Physics - Phenomenology · Physics 2007-05-23 William J. Marciano

In this talk I will give a brief introduction to Little Higgs models in general, including an overview of all models in existence thus far. I then review some of the generic constraints on these models from electroweak precision…

High Energy Physics - Phenomenology · Physics 2007-05-23 Patrick Meade

To study the convergence of the loop expansion at the high-temperature electroweak phase transition, we calculate the 2-loop effective potential of the 3d SU(2)-Higgs model in a general covariant gauge. We find that the loop expansion…

High Energy Physics - Phenomenology · Physics 2010-11-01 M. Laine

This study undertakes a reconsideration of the potential for a first-order electroweak phase transition, focusing on the next-to-minimal two Higgs doublet model (N2HDM). Our exploration spans diverse parameter spaces associated with the…

High Energy Physics - Phenomenology · Physics 2024-04-17 Arnab Chaudhuri , Kazunori Kohri

The effective potential of electroweak theory with two massless Higgs doublets at finite temperature is studied. We investigate phase structure and critical temperature in this model by numerical analysis without high-temperature expansion.…

High Energy Physics - Phenomenology · Physics 2017-02-01 K. Funakubo , A. Kakuto , K. Takenaga

I review new developments in Higgs physics and electroweak symmetry breaking that have resulted from the Madison--Argonne workshops on SSC physics.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. F. Gunion , S. Geer