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相关论文: Spontaneous CP Violating Phase as The CKM Matrix P…

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We study the possibility of spontaneous CP violation in the next-to-minimal supersymmetric standard model (NMSSM). It is shown that the spontaneous CP violation is induced by the radiative effects of top, stop, bottom and sbottom…

高能物理 - 唯象学 · 物理学 2014-11-17 Naoyuki Haba , Masahisa Matsuda , Morimitsu Tanimoto

We discuss the formulation of the general two-Higgs doublet model type III, which incorporates flavor changing neutral scalar interactions (FCNSI) and CP violation from several sources. CP violation can arise either from Yukawa terms or…

高能物理 - 唯象学 · 物理学 2012-04-02 L. Diaz-Cruz , A. Diaz-Furlong , R. Gaitan-Lozano , J. H. Montes de Oca Y

We study that a minimal supersymmetric standard model with an extra $U(1)'$ gauge symmetry may accommodate the explicit CP violation at the one-loop level through radiative corrections. This model is CP conserving at the tree level and…

高能物理 - 唯象学 · 物理学 2008-11-26 S. W. Ham , E. J. Yoo , S. K. OH

The MSSM with explicit CP violation is studied through the di-photon decay channel of the lightest neutral Higgs boson. Through the leading one-loop order H1 --> gammar.gamma is affected by a large number of Higgs-sparticle couplings, which…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Moretti , S. Munir , P. Poulose

We revisit the calculation of the electron, neutron, and proton electric dipole moments (EDMs) in the constrained minimal supersymmetric standard model (CMSSM). The relatively large mass of the Higgs boson, $m_H \simeq 125$ GeV coupled with…

高能物理 - 唯象学 · 物理学 2023-04-19 Kunio Kaneta , Natsumi Nagata , Keith A. Olive , Maxim Pospelov , Liliana Velasco-Sevilla

The latest experimental progress have established three kinds of neutrino oscillations with three mixing angles measured to rather high precision. There is still one parameter, i.e., the CP violating phase, missing in the neutrino mixing…

高能物理 - 唯象学 · 物理学 2012-06-22 Xinyi Zhang , Bo-Qiang Ma

We revisit the supersymmetric CP problem and find that it can be naturally resolved if the origin of CP violation is closely related to the origin of flavour structures. In this case, the supersymmetry breaking dynamics do not bring in any…

高能物理 - 唯象学 · 物理学 2009-10-31 S. Abel , D. Bailin , S. Khalil , O. Lebedev

The supersymmetric standard model (SSM) has a CP-violating phase in its gauge-Higgs sector. This new source of CP violation induces the electric dipole moments (EDMs) of the neutron and electron at the one-loop level. The same CP-violating…

高能物理 - 唯象学 · 物理学 2009-10-30 Noriyuki Oshimo

We investigate CP-violation in the complex singlet extension of the general Two Higgs Doublet Model (2HDM) with Yukawa alignment condition. We first explore the possibility of explicit CP-violation in the extended scalar sector while the…

高能物理 - 唯象学 · 物理学 2026-03-24 Jayita Lahiri , Gudrid Moortgat-Pick

We investigate the pattern of CP violation in K, B_d and B_s mixing in a symmetrical SU(2)_R x SU(2)_L x U(1) model with spontaneous CP violation. We calculate the phases of the left and right quark mixing matrices beyond the small phase…

高能物理 - 唯象学 · 物理学 2008-11-26 Patricia Ball , J. -M. Frere , J. Matias

We address the question of whether the CP violating phase in the CKM mixing matrix can be the only source of all CP violation. We show that in supersymmetric models with new flavour structure beyond the Yukawa matrices, the CKM phase can…

高能物理 - 唯象学 · 物理学 2015-06-25 Shaaban Khalil , Veronica Sanz

The currently favored model of CP violation is based on phases in the Cabibbo-Kobayashi-Maskawa (CKM) matrix describing the weak charge-changing couplings of quarks. The present status of parameters of this matrix is described. Tests of the…

高能物理 - 唯象学 · 物理学 2014-11-17 Jonathan L. Rosner

We study an extension of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM), considering the effects of new degrees of freedom at the TeV scale, and allowing for sources of CP violation beyond the MSSM (BMSSM). We analyze…

高能物理 - 唯象学 · 物理学 2011-11-22 Wolfgang Altmannshofer , Marcela Carena , Stefania Gori , Alejandro de la Puente

We propose a new kind of CP violation effect -- the double-mixing CP asymmetry -- in a type of cascade decays that involves at least two mixing neutral mesons in the decay chain. It is induced by the interference between different…

高能物理 - 唯象学 · 物理学 2023-07-06 Yin-Fa Shen , Wen-Jie Song , Qin Qin

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…

高能物理 - 唯象学 · 物理学 2009-01-06 Olaf Kittel , Federico von der Pahlen

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…

高能物理 - 唯象学 · 物理学 2010-02-11 S. W. Ham , Seong-a Shim , S. K. OH

We study how to incorporate CP violation in the Froggatt--Nielsen (FN) mechanism. To this end, we introduce non-renormalizable interactions with a flavor democratic structure to the fermion mass generation sector. It is found that at least…

高能物理 - 唯象学 · 物理学 2008-11-26 Shinya Kanemura , Koichi Matsuda , Toshihiko Ota , Serguey Petcov , Tetsuo Shindou , Eiichi Takasugi , Koji Tsumura

The ATLAS and CMS collaborations have observed independently at the Large Hadron Collider (LHC) a new Higgs-like particle with a mass $M_h \sim$ 125 GeV and properties similar to that predicted by the Standard Model (SM). Although the…

高能物理 - 唯象学 · 物理学 2014-09-10 Amit Chakraborty , Biswaranjan Das , J. Lorenzo Diaz-Cruz , Dilip Kumar Ghosh , Stefano Moretti , P. Poulose

Most studies of Higgs sector CP violation focus on the detection of CP-violating neutral Higgs-fermion Yukawa couplings, which yield P-odd, CP-violating phenomena. There is some literature on purely bosonic signatures of Higgs sector CP…

高能物理 - 唯象学 · 物理学 2022-12-02 Howard E. Haber , Venus Keus , Rui Santos

The effective potential in the MSSM at the one-loop level is used to evaluate masses of the neutral Higgs scalars and to study finite-temperature phase transition. The CP violation in the Higgs sector, which is induced by the spontaneous…

高能物理 - 唯象学 · 物理学 2009-10-31 K. Funakubo