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If the soft Supersymmetry (SUSY) breaking masses and couplings are complex, then the associated CP-violating phases can in principle modify the known phenomenological pattern of the Minimal Supersymmetric Standard Model (MSSM). We…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Dedes , S. Moretti

New physics field content in the nature, more specifically, from spin-1 resonances sourced by the extension of the SM local gauge symmetry to the larger local group $SU(2)_L\otimes SU(2)_R\otimes U(1)_{B-L}$, may induce CP-violation…

High Energy Physics - Phenomenology · Physics 2017-12-01 Kunming Ruan , Jing Shu , Juan Yepes

A review of CP violation from the Standard Model to strings is given which includes a broad landscape of particle physics models, encompassing the non-supersymmetric 4D extensions of the standard model, and models based on supersymmetry, on…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tarek Ibrahim , Pran Nath

With the motivation of explaining the dark matter and achieving the electroweak baryogenesis via the spontaneous CP-violation at high temperature, we propose a complex singlet scalar ($S=\frac{\chi+i\eta_s}{\sqrt{2}}$) extension of the…

High Energy Physics - Phenomenology · Physics 2024-02-07 Jinghong Ma , Jie Wang , Lei Wang

In a recent paper[1] Kundu and one of the present authors showed that there were transient but observable CP violating effects in the decay of classical currents on the horizon of a black hole, if the Lagrangian of the Maxwell field…

High Energy Physics - Theory · Physics 2015-05-19 Tom Banks , Willy Fischler

The physics of electroweak baryogenesis is described with the aim of making the essentials clear to non-experts. Several models for the source of the necessary CP violation are discussed: CKM phases as in the minimal standard model, general…

High Energy Physics - Phenomenology · Physics 2010-11-01 Glennys Farrar

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

CP violation in H^\pm decays into the three possible decay modes into ordinary particles, 1) H^\pm \to tb, 2) H^\pm \to \nu \tau and 3) H^\pm \to W^\pm h^0 is considered. Analytic expressions and numerical results for the CP violating decay…

High Energy Physics - Phenomenology · Physics 2009-04-14 Ekaterina Christova , Helmut Eberl , Elena Ginina

The phenomenology of the explicit CP violation in the Higgs sector of the next-to-minimal supersymmetric standard model (NMSSM) is investigated, with emphasis on the charged Higgs boson. The radiative corrections due to both quarks and…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. W. Ham , J. Kim , S. K. Oh , D. Son

This study investigates the lightest and second-lightest Higgs bosons at around 95 GeV (which is only a hypothetical scenario) and 125 GeV respectively within the CP-violating next to minimum B-L supersymmetric model(NB-LSSM). In the…

High Energy Physics - Phenomenology · Physics 2026-03-09 Xing-Xing Dong , Wen-Hui Zhang , Cai Guo , Shu-Min Zhao , Tai-Fu Feng

We consider Yukawa theory in which the fermion mass is induced by a Higgs like scalar. In our model the fermion mass exhibits a temporal dependence, which naturally occurs in the early Universe setting. Assuming that the complex fermion…

High Energy Physics - Theory · Physics 2013-04-10 Tomislav Prokopec , Michael G. Schmidt , Jan Weenink

CP violation effects of the Higgs stem from not only CP-violation interactions but also an ambiguous defined CP state. The two CPV sources are coherently studied based on an effective Higgs Lagrangian. The constraints from unitarity limits…

High Energy Physics - Phenomenology · Physics 2015-01-20 Rong Li , Ying Zhang

A review is given of CP violation in a broad class of models based on supersymmetry, superstrings and brane models. Such models contain typically large CP violating phases which affect a variety of supersymmetric phenomenon at low energies…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tarek Ibrahim , Pran Nath

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

We analyze the minimal supersymmetric left-right model with non-re\-nor\-malizable interactions induced by higher scale physics and study its {\it CP} violating properties. We show that it: (i) solves the strong {\it CP} problem; (ii)…

High Energy Physics - Phenomenology · Physics 2009-10-28 Rabindra N. Mohapatra , Andrija Rasin

In this talk I discuss possibilities of probing the CP violation (CPV) in the Minimal Supersymmetric Standard Model (MSSM), at the LHC as well as its effects on the LHC SUSY phenomenology. In the latter case I mainly discuss its effect on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Rohini M. Godbole

We study non-topological and CP-violating static wall solutions in the framework of the Minimal Supersymmetric Standard Model. We show that such membranes, characterized by a non-trivial winding of the relative $U(1)$ phase of the two Higgs…

High Energy Physics - Phenomenology · Physics 2016-08-25 Antonio Riotto , Ola Tornkvist

We analyze the Higgs sector of the minimal $S(3)$-invariant extension of the Standard Model including CP violation arising from the spontaneous electroweak symmetry breaking. This extended Higgs sector includes three SU(2) doublets Higgs…

High Energy Physics - Phenomenology · Physics 2016-12-06 E. Barradas-Guevara , O. Félix-Beltrán , E. Rodríguez-Jáuregui

The two Higgs bi-doublet left-right symmetric model (2HBDM) as a simple extension of the minimal left-right symmetric model with a single Higgs bi-doublet is motivated to realize both spontaneous P and CP violation while consistent with the…

High Energy Physics - Phenomenology · Physics 2015-06-05 Jin-Yan Liu , Li-Ming Wang , Yue-Liang Wu , Yu-Feng Zhou

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