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Related papers: Radiative CP Phases in Supergravity Theories

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The possibility of explicit CP violation is studied in a supersymmetric model proposed by Dine, Seiberg, and Thomas, with two effective dimension-five operators. The explicit CP violation may be triggered by complex phases in the…

High Energy Physics - Phenomenology · Physics 2010-02-11 S. W. Ham , Seong-a Shim , S. K. OH

We study the pair-production of charginos in the CP-violating Minimal Supersymmetric Standard Model at center-of-mass energies around the heavy neutral Higgs boson resonances. If these resonances are nearly degenerate, as it can happen in…

High Energy Physics - Phenomenology · Physics 2009-01-06 Olaf Kittel , Federico von der Pahlen

By using the effective potential approximation and taking into account the dominant top quark and scalar top quark loops, radiative corrections to MSSM Higgs potential are computed in the presence of the supersymmetric CP-violating phases.…

High Energy Physics - Phenomenology · Physics 2016-08-25 D. A. Demir

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

Decades of precision measurements have firmly established the Kobayashi-Maskawa phase as the dominant source of the CP violation observed in weak quark decays. However, it is still unclear whether CP violation is explicitly encoded in…

High Energy Physics - Phenomenology · Physics 2020-10-13 Ulrich Nierste , Mustafa Tabet , Robert Ziegler

The electroweak baryogenesis depends on the profile of the CP-violating bubble wall created at the first order phase transition. We attempt to determine it by solving the coupled equations of motion for the moduli and phases of the two…

High Energy Physics - Phenomenology · Physics 2009-10-30 K. Funakubo , A. Kakuto , S. Otsuki , F. Toyoda

We present a general model-independent and rephase-invariant formalism that cleanly relates observables to the fundamental parameters and explicitly separates different types of CP violation in the $B^0$-, $D^0$- and $K^0$- systems. We…

High Energy Physics - Phenomenology · Physics 2010-11-01 W. F. Palmer , Y. L. Wu

We identify a fundamental tension between the standard formulation of CP violation and diffeomorphism invariance in general relativity. The effective Hamiltonian approach, while phenomenologically successful, relies on a preferred time…

General Relativity and Quantum Cosmology · Physics 2026-02-17 Alibordi Muhammad

The one loop supersymmetric electro-weak correction to the anomalous magnetic moment of the muon is derived in the minimal N=1 supergravity unification with two CP violating phases. A numerical analysis of the CP violating effects on…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tarek Ibrahim , Pran Nath

Solutions of the Strong CP Problem based on the spontaneous breaking of CP must feature a non-generic structure and simultaneously explain a coincidence between a priori unrelated CP-even and CP-odd mass scales. We show that these…

High Energy Physics - Phenomenology · Physics 2021-08-04 Alessandro Valenti , Luca Vecchi

The seesaw extension of the SM explains the tiny neutrino masses and it is accompanied by many CP violating phases. We study the case where all leptonic CP violation arises from the soft breaking in the heavy Majorana mass matrix. Parameter…

High Energy Physics - Phenomenology · Physics 2023-11-20 C. C. Nishi , J. I. Silva-Marcos

Supersymmetric models with nonuniversal down type squark masses can enrich the chiral structure and CP violating phenomena in $b\to s\gamma$ decays. Direct CP violation in $b\to s \gamma$, mixing induced CP violation in radiative $B_{d,s}$…

High Energy Physics - Phenomenology · Physics 2016-08-25 Chun-Khiang Chua , Xiao-Gang He , Wei-Shu Hou

We explore the CP violation in the charged Higgs production associated with a top quark at the LHC in the MSSM. The supersymmetric phases of gaugino masses and trilinear $A$ terms lead to a CP violating asymmetry of the cross section in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kang Young Lee , Dong-Won Jung , H. S. Song

Recent experimental data provides evidence for neutrino masses and leads to the possibility of leptonic mixing and CP violation. In this work special attention is dedicated to CP violation in the leptonic sector both at low and at high…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. N. Rebelo

We discuss CP-violation in a model with a real and a complex isospin triplet Higgs fields without introducing any symmetries except for the electroweak gauge symmetry. This corresponds to the minimal extension of the Higgs sector with the…

High Energy Physics - Phenomenology · Physics 2023-06-16 Ting-Kuo Chen , Cheng-Wei Chiang , Kei Yagyu

We discuss a class of models in which CP is violated softly in a heavy sector adjoined to the standard model. Heavy-sector loops produce the observed CP violation in kaon physics, yielding a tiny and probably undetectable value for…

High Energy Physics - Phenomenology · Physics 2009-09-11 Howard Georgi , Sheldon L. Glashow

Within the framework of the minimal non-minimal supersymmetric standard model (MNMSSM) with tadpole terms, CP violation effects in the Higgs sector are investigated at the one-loop level, where the radiative corrections from the loops of…

High Energy Physics - Phenomenology · Physics 2008-12-18 S. W. Ham , J. O. Im , S. K. OH

We explore charged-Higgs CP-violating effects in an intriguing two-Higgs doublet model which accords special status to the top quark. In this model the heaviness of the top quark originates naturally from the much larger VEV of the second…

High Energy Physics - Phenomenology · Physics 2009-10-31 Ken Kiers , Amarjit Soni , Guo-Hong Wu

Supersymmetric models with broken R-parity induced by lepton number violating terms provide a calculable framework for neutrino masses and mixings. Within models with bilinear R-parity breaking six new physical phases appear which are…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Hirsch , T. Kernreiter , W. Porod

We show that baryogenesis can arise from the cosmological evolution of a scalar field that governs CP-violating parameters, such as the Yukawa couplings and the theta terms of the Standard Model. During the big bang, this scalar may reach a…

High Energy Physics - Phenomenology · Physics 2025-10-03 Mateusz Duch , Alessandro Strumia , Arsenii Titov
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