scholarly journals Gravitational waves from first order electroweak phase transition in models with the U(1) X gauge symmetry

2018 ◽  
Vol 2018 (6) ◽  
Author(s):  
Katsuya Hashino ◽  
Mitsuru Kakizaki ◽  
Shinya Kanemura ◽  
Pyungwon Ko ◽  
Toshinori Matsui
Keyword(s):  
Phase Transition ◽  
Gauge Symmetry ◽  
Gravitational Waves ◽  
Electroweak Phase Transition ◽  
First Order

scholarly journals Limiting first-order phase transitions in dark gauge sectors from gravitational waves experiments

2017 ◽  
Vol 32 (08) ◽  
pp. 1750049 ◽  
Author(s):  
Andrea Addazi
Keyword(s):  
Phase Transition ◽  
Phase Transitions ◽  
Standard Model ◽  
Gravitational Waves ◽  
Parameter Space ◽  
Higgs Potential ◽  
Electroweak Phase Transition ◽  
First Order ◽  
First Order Phase

We discuss the possibility to indirectly test first-order phase transitions of hidden sectors. We study the interesting example of a Dark Standard Model (D-SM) with a deformed parameter space in the Higgs potential. A dark electroweak phase transition can be limited from next future experiments like eLISA and DECIGO.

scholarly journals Gravitational waves from the phase transition of a nonlinearly realized electroweak gauge symmetry

2017 ◽  
Vol 26 (10) ◽  
pp. 1750114 ◽  
Author(s):  
Archil Kobakhidze ◽  
Adrian Manning ◽  
Jason Yue
Keyword(s):  
Phase Transition ◽  
Gravitational Waves ◽  
Electroweak Symmetry ◽  
Frequency Range ◽  
Electroweak Phase Transition ◽  
First Order ◽  
Wave Measurements ◽  
Future Space ◽  
The Standard Model ◽  
New Interactions

Within the Standard Model with nonlinearly realized electroweak symmetry, the LHC Higgs boson may reside in a singlet representation of the gauge group. Several new interactions are then allowed, including anomalous Higgs self-couplings, which may drive the electroweak phase transition to be strongly first-order. In this paper, we investigate the cosmological electroweak phase transition in a simplified model with an anomalous Higgs cubic self-coupling. We look at the feasibility of detecting gravitational waves produced during such a transition in the early universe by future space-based experiments. We demonstrate an intriguing interplay between collider measurements of the Higgs self-coupling and these potential gravitational wave measurements. We find that for the range of relatively large cubic couplings, [Formula: see text], [Formula: see text]mHz frequency gravitational waves can be observed by eLISA, while BBO will potentially be able to detect waves in a wider frequency range, [Formula: see text][Formula: see text]mHz.

scholarly journals Gravitational waves from the first order electroweak phase transition in the Z3 symmetric singlet scalar model

2018 ◽  
Vol 168 ◽  
pp. 05001 ◽  
Author(s):  
Toshinori Matsui
Keyword(s):  
Phase Transition ◽  
Gravitational Waves ◽  
Higgs Sector ◽  
Electroweak Symmetry ◽  
Scalar Model ◽  
Electroweak Phase Transition ◽  
First Order ◽  
First Order Phase Transition ◽  
First Order Phase ◽  
The Universe

Among various scenarios of baryon asymmetry of the Universe, electroweak baryogenesis is directly connected with physics of the Higgs sector. We discuss spectra of gravitational waves which are originated by the strongly first order phase transition at the electroweak symmetry breaking, which is required for a successful scenario of electroweak baryogenesis. In the Z3 symmetric singlet scalar model, the significant gravitational waves are caused by the multi-step phase transition. We show that the model can be tested by measuring the characteristic spectra of the gravitational waves at future interferometers such as LISA and DECIGO.

scholarly journals Lepton-mediated electroweak baryogenesis, gravitational waves and the 4τ final state at the collider

2021 ◽  
Vol 2021 (2) ◽  
Author(s):  
Ke-Pan Xie
Keyword(s):  
Phase Transition ◽  
Gravitational Waves ◽  
Parameter Space ◽  
Baryon Asymmetry ◽  
Hadron Colliders ◽  
Electroweak Phase Transition ◽  
Final State ◽  
First Order ◽  
The Standard Model ◽  
The Universe

Abstract An electroweak baryogenesis (EWBG) mechanism mediated by τ lepton transport is proposed. We extend the Standard Model with a real singlet scalar S to trigger the strong first-order electroweak phase transition (SFOEWPT), and with a set of leptophilic dimension-5 operators to provide sufficient CP violating source. We demonstrate this model is able to generate the observed baryon asymmetry of the universe. This scenario is experimentally testable via either the SFOEWPT gravitational wave signals at the next-generation space-based detectors, or the pp → h* → SS → 4τ process (where h* is an off-shell Higgs) at the hadron colliders. A detailed collider simulation shows that a considerable fraction of parameter space can be probed at the HL-LHC, while almost the whole parameter space allowed by EWBG can be reached by the 27 TeV HE-LHC.

scholarly journals Gravitational waves from a first-order electroweak phase transition: a brief review

2018 ◽  
Vol 376 (2114) ◽  
pp. 20170126 ◽  
Author(s):  
David J. Weir
Keyword(s):  
Phase Transition ◽  
Gravitational Waves ◽  
Beyond The Standard Model ◽  
Electroweak Phase Transition ◽  
First Order ◽  
First Order Phase Transition ◽  
Yield Information ◽  
Future Collider ◽  
First Order Phase ◽  
Near Future

We review the production of gravitational waves by an electroweak first-order phase transition. The resulting signal is a good candidate for detection at next-generation gravitational wave detectors, such as LISA. Detection of such a source of gravitational waves could yield information about physics beyond the Standard Model that is complementary to that accessible to current and near-future collider experiments. We summarize efforts to simulate and model the phase transition and the resulting production of gravitational waves. This article is part of the Theo Murphy meeting issue ‘Higgs cosmology’.

scholarly journals Nonperturbative analysis of the gravitational waves from a first-order electroweak phase transition

2019 ◽  
Vol 100 (11) ◽  
Author(s):  
Oliver Gould ◽  
Jonathan Kozaczuk ◽  
Lauri Niemi ◽  
Michael J. Ramsey-Musolf ◽  
Tuomas V. I. Tenkanen ◽  
...  
Keyword(s):  
Phase Transition ◽  
Gravitational Waves ◽  
Electroweak Phase Transition ◽  
First Order
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