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We explore the emissions of the Gravitational Waves (GWs) from a strong first-order ekectroweak phase transition. To this end, a dark matter model has been investigated in Feebly Interacting Massive Particle (FIMP) scenario, where the dark…

High Energy Physics - Phenomenology · Physics 2020-03-24 Madhurima Pandey , Avik Paul

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

Gravitational waves potentially represent our only direct probe of the universe when it was less than one second old. In particular, first-order phase transitions in the early universe can generate a stochastic background of gravitational…

Astrophysics · Physics 2008-11-26 Tina Kahniashvili , Arthur Kosowsky , Grigol Gogoberidze , Yurii Maravin

This article considers three non-zero hypercharge triplets as an extension of the Standard Model Higgs doublet. Under extra $U(1)_{L_{\mu}-L_{\tau}}$ symmetry, the triplets are charged. We examine the stability of the electroweak vacuum at…

High Energy Physics - Phenomenology · Physics 2026-03-11 Shilpa Jangid , Anirban Biswas , Seong Chan Park

We explore and contrast the capabilities of future colliders to probe the nature of the electro-weak phase transition. We focus on the real singlet scalar field extension of the Standard Model, representing the most minimal, yet most…

High Energy Physics - Phenomenology · Physics 2021-08-27 Andreas Papaefstathiou , Graham White

Stochastic gravitational wave (GW) backgrounds from first-order phase transitions are an exciting target for future GW observatories and may enable us to study dark sectors with very weak couplings to the Standard Model. In this work we…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-08 Fatih Ertas , Felix Kahlhoefer , Carlo Tasillo

We investigate the properties of a stochastic gravitational wave background produced by a first-order electroweak phase transition in the regime of extreme supercooling. We study a scenario whereby the percolation temperature that signifies…

High Energy Physics - Phenomenology · Physics 2017-11-09 Archil Kobakhidze , Cyril Lagger , Adrian Manning , Jason Yue

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 new heavy dark matter production mechanism from cosmic phase transition, we propose a novel mechanism for the generation of microscopic gravitational waves (GWs) during cosmological first-order phase transitions arising…

High Energy Physics - Phenomenology · Physics 2026-02-12 Dayun Qiu , Siyu Jiang , Fa Peng Huang

We analyze the theoretical and phenomenological considerations for the electroweak phase transition and dark matter in an extension of the Standard Model with a complex scalar singlet (cxSM). In contrast with earlier studies, we use a…

High Energy Physics - Phenomenology · Physics 2018-01-17 Cheng-Wei Chiang , Michael J. Ramsey-Musolf , Eibun Senaha

We suggest an appealing strategy to probe a large class of scenarios beyond the Standard Model simultaneously explaining the recent CDF II measurement of the $W$ boson mass and predicting first-order phase transitions (FOPT) testable in…

High Energy Physics - Phenomenology · Physics 2023-03-14 Andrea Addazi , Antonino Marciano , António P. Morais , Roman Pasechnik , Hao Yang

We study the dynamics of electroweak bubbles in the scenario of a strong first order inverse electroweak phase transition at the TeV scale involving the global structure of the nonlinear sigma field in the littlest Higgs model with T…

High Energy Physics - Phenomenology · Physics 2014-01-14 Sahazada Aziz , Buddhadeb Ghosh

The role of Higgs sector of the standard model in first order phase transition is reexamined.It is found that a solution to the mass gap equations exist which can be used in higher orders. This possible solution leads to a transition which…

High Energy Physics - Phenomenology · Physics 2009-09-25 B. B. Deo , L. Maharana

The knowledge of the Higgs potential is crucial for understanding the origin of mass and the thermal history of our Universe. We show how collider measurements and observations of stochastic gravitational wave signals can complement each…

High Energy Physics - Phenomenology · Physics 2022-06-14 Dorival Gonçalves , Ajay Kaladharan , Yongcheng Wu

The existence of a second Higgs doublet in Nature could lead to a cosmological first order electroweak phase transition and explain the origin of the matter-antimatter asymmetry in the Universe. We explore the parameter space of such a…

High Energy Physics - Phenomenology · Physics 2018-01-17 G. C. Dorsch , S. J. Huber , K. Mimasu , J. M. No

We study the velocity of bubble walls in the electroweak phase transition. For several extensions of the Standard Model, we estimate the friction and calculate the wall velocity, taking into account the hydrodynamics. We find that…

High Energy Physics - Phenomenology · Physics 2010-04-30 Ariel Megevand , Alejandro D. Sanchez

To realize first-order electroweak phase transition, it is necessary to generate a barrier in the thermal Higgs potential, which is usually triggered by scalar degree of freedom. We instead investigate phase transition patterns in pure…

High Energy Physics - Phenomenology · Physics 2022-01-19 Qing-Hong Cao , Katsuya Hashino , Xu-Xiang Li , Zhe Ren , Jiang-Hao Yu

We investigate the electroweak phase transition (EWPT) within the inverted Type-I two-Higgs-doublet model, where the observed $125\,\text{GeV}$ Higgs boson is identified as the heavier \textit{CP}-even scalar $H$. Through a comprehensive…

High Energy Physics - Phenomenology · Physics 2025-07-01 Soojin Lee , Dongjoo Kim , Jin-Hwan Cho , Jinheung Kim , Jeonghyeon Song

We investigate first order phase transitions in a holographic setting of five-dimensional Einstein gravity coupled to a scalar field, constructing phase diagrams of the dual field theory at finite temperature. We scan over the…

High Energy Physics - Theory · Physics 2021-04-30 Fëanor Reuben Ares , Mark Hindmarsh , Carlos Hoyos , Niko Jokela

We consider the stochastic background of gravity waves produced by first-order cosmological phase transitions from two types of sources: colliding bubbles and hydrodynamic turbulence. First we discuss the fluid mechanics of relativistic…

Astrophysics · Physics 2009-10-22 Marc Kamionkowski , Arthur Kosowsky , Michael S. Turner