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Related papers: The Electroweak Vacuum Angle

200 papers

We perform a systematic gradient expansion on kinetic equations and derive the CP-violating semiclassical force for fermions propagating in presence of a CP-violating wall at a first order electroweak phase transition. The force appears at…

High Energy Physics - Phenomenology · Physics 2014-11-17 Kimmo Kainulainen , Tomislav Prokopec , Michael G. Schmidt , Steffen Weinstock

We examine the nature of electroweak Baryogenesis when the Higgs boson's properties are modified by the effects of new physics. We utilize the effective potential to one loop (ring improving the finite temperature perturbative expansion)…

High Energy Physics - Phenomenology · Physics 2009-02-25 Benjamin Grinstein , Michael Trott

It is conventional wisdom that successful electroweak baryogenesis in the Minimal Supersymmetric extension of the Standard Model (MSSM) is in tension with the non-observation of electric dipole moments (EDMs), since the level of…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yingchuan Li , Stefano Profumo , Michael Ramsey-Musolf

We propose a novel mechanism for electroweak baryogenesis in which collapsing domain walls formed by an axion-like field replace the bubble walls in a strong first-order electroweak phase transition. The axion-like particle coupling to the…

High Energy Physics - Phenomenology · Physics 2026-05-01 Yang Bai , Kun-Feng Lyu , Yue Zhao

We explore a new possibility of electroweak baryogenesis in the next-to-minimal supersymmetric standard model. In this model, a strong first-order electroweak phase transition can be achieved due to the additional singlet Higgs field. The…

High Energy Physics - Phenomenology · Physics 2015-06-03 Kingman Cheung , Tie-Jiun Hou , Jae Sik Lee , Eibun Senaha

The closed time-path (CTP) formalism is a powerful Green's function formulation to describe nonequilibrium phenomena in field theory and it leads to a complete nonequilibrium quantum kinetic theory. In this paper we make use of the CTP…

High Energy Physics - Phenomenology · Physics 2009-10-30 Antonio Riotto

We study electroweak baryogenesis driven by the top quark in two Higgs doublet model that allows flavor-changing neutral Higgs couplings. Taking Higgs sector couplings and the additional top Yukawa coupling $\rho_{tt}$ to be…

High Energy Physics - Phenomenology · Physics 2017-09-06 George W. -S. Hou

We investigate a scenario of electroweak baryogenesis in the two Higgs doublet model with quark flavor mixing. In general, off-diagonal components of quark Yukawa interactions with additional Higgs bosons are strongly constrained by the…

High Energy Physics - Phenomenology · Physics 2023-04-03 Shinya Kanemura , Yushi Mura

The electroweak symmetry is unbroken in the core of cosmic strings originating from a symmetry breaking at an energy higher than the electroweak scale $\eta_{EW}$. The dynamics of such strings may generate a baryon asymmetry below the…

High Energy Physics - Phenomenology · Physics 2010-11-01 R. Brandenberger , A. -C. Davis , M. Trodden

We review the constraints on baryon inhomogeneities derived from measurements of the deuterium abundance, $D/H$, and apply them to a range of baryogenesis models. In particular, we derive bounds on electroweak baryogenesis as well as on…

High Energy Physics - Phenomenology · Physics 2026-04-14 Aleksandr Azatov , Bruno Missoni

Theoretical arguments for a new higher-color quark sector, based on Pomeron physics in QCD, are briefly described. The electroweak symmetry-breaking, Strong CP conservation, and electroweak scale CP violation, that is naturally produced by…

High Energy Physics - Phenomenology · Physics 2009-09-25 Alan R. White

We present a comprehensive, self-contained pedagogical computation of the baryon asymmetry of the Universe within electroweak baryogenesis (EWBG), from the derivation of the semiclassical, CP-dependent force to the formulation and solution…

High Energy Physics - Phenomenology · Physics 2025-11-05 Giulio Barni

Electroweak symmetry non-restoration up to high temperatures well above the electroweak scale offers new alternatives for baryogenesis. We propose a new approach for electroweak symmetry non-restoration via an inert Higgs sector that…

High Energy Physics - Phenomenology · Physics 2021-09-22 Marcela Carena , Claudius Krause , Zhen Liu , Yikun Wang

One of the most experimentally testable explanations for the origin of the baryon asymmetry of the universe is that it was created during the electroweak phase transition, in the minimal supersymmetric standard model. Previous efforts have…

High Energy Physics - Phenomenology · Physics 2008-11-26 James M. Cline , Kimmo Kainulainen

In non-supersymmetric models of electroweak baryogenesis the top quark plays a crucial role. Its CP-violating source term can be calculated in the WKB approximation. We point out how to resolve certain discrepancies between computations…

High Energy Physics - Phenomenology · Physics 2010-10-27 Lars Fromme , Stephan J. Huber

We report on the first joint analysis of observational signatures from the electroweak baryogenesis in both gravitational wave (GW) detectors and particle colliders. With an effective extension of the Higgs sector in terms of the…

High Energy Physics - Phenomenology · Physics 2016-08-17 Fa Peng Huang , Youping Wan , Dong-Gang Wang , Yi-Fu Cai , Xinmin Zhang

Baryogenesis at the electroweak phase transition is discussed within the framework of the supersymmetric standard model. Implications of baryon asymmetry for the electric dipole moment of the neutron are also studied.

High Energy Physics - Phenomenology · Physics 2007-05-23 Mayumi Aoki , Noriyuki Oshimo , Akio Sugamoto

In this work, we make the first study of electroweak baryogenesis (EWBG) based on the LHC data in the CP-violating next-to-minimal supersymmetric model (NMSSM) where a strongly first order electroweak phase transition (EWPT) is obtained in…

High Energy Physics - Phenomenology · Physics 2018-09-26 Ligong Bian , Huai-Ke Guo , Jing Shu

We investigate spatial behaviors of the CP-violating angle $\theta$ by solving the equation of motion of the two-Higgs-doublet model in the presence of a small explicit CP breaking $\delta$. The moduli of the two Higgs scalars are fixed to…

High Energy Physics - Phenomenology · Physics 2009-10-28 Koichi Funakubo , Akira Kakuto , Shoichiro Otsuki , Fumihiko Toyoda

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