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Related papers: Spontaneous CP violation in supersymmetric models

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We study the Higgs sector of the U(1)'-extended MSSM with CP violation. This is an extension of the MSSM Higgs sector by one singlet field, introduced to generate the \mu term dynamically. We are particularly interested in non-standard…

High Energy Physics - Phenomenology · Physics 2013-04-17 Mariana Frank , Levent Selbuz , Levent Solmaz , Ismail Turan

We propose that the CP violating phase in the CKM mixing matrix is identical to the CP phases responsible for the spontaneous CP violation in the Higgs potential. A specific multi-Higgs model with Peccei-Quinn (PQ) symmetry is constructed…

High Energy Physics - Phenomenology · Physics 2008-11-26 Shao-Long Chen , N. G. Deshpande , Xiao-Gang He , Jing Jiang , Lu-Hsing Tsai

We investigate the associated production of neutral Higgs boson with squark pair in the minimal supersymmetric standard model with and without explicit CP violation, respectively. We show that the dominant productions in both cases are…

High Energy Physics - Phenomenology · Physics 2009-11-11 Zhao Li , Chong Sheng Li , Qiang Li

It is shown that a two-Higgs doublet model with Vacuum CP Violation and Approximate Global $U(1)$ Family Symmetries (AGUFS) may provide one of the simplest and attractive models in understanding origin and mechanisms of CP violation at the…

High Energy Physics - Phenomenology · Physics 2008-02-03 Yue-Liang Wu

We analyze CP violation in the supersymmetric standard model (MSSM) embedded minimally into a left-right symmetric gauge structure with the seesaw mechanism for neutrino masses. With the plausible assumption of universal scalar masses it is…

High Energy Physics - Phenomenology · Physics 2009-12-30 K. S. Babu , B. Dutta , R. N. Mohapatra

Models with an extended scalar sector may in principle provide new sources of CP violation originating in the scalar potential. One of the simplest ways to implement this idea is to have CP violation in a two-Higgs-doublet model. Here, it…

High Energy Physics - Phenomenology · Physics 2016-04-05 D. Emmanuel-Costa , O. M. Ogreid , P. Osland , M. N. Rebelo

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…

High Energy Physics - Phenomenology · Physics 2023-04-19 Kunio Kaneta , Natsumi Nagata , Keith A. Olive , Maxim Pospelov , Liliana Velasco-Sevilla

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

The Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation is studied with the help of the di-photon decay channel of the lightest neutral Higgs boson. Effects of CP violation, entering via the scalar/pseudo-scalar mixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Hesselbach , S. Moretti , S. Munir , P. Poulose

We study the minimal version of the supersymmetric standard model with spontaneous CP breaking. In this model, the KM matrix is real and contributions to $\varepsilon$ arise from box diagrams involving squarks. We analyze the region of the…

High Energy Physics - Phenomenology · Physics 2010-11-01 Alex Pomarol

We propose a CP-violating source in the charged Higgs sector of a 3-Higgs Doublet Model (3HDM) that will contribute to three CP-asymmetry observables for low energy processes. In the context of such a 3HDM, a measurement of one of the…

High Energy Physics - Phenomenology · Physics 2022-01-11 Andrew G. Akeroyd , Heather E. Logan , Stefano Moretti , Diana Rojas-Ciofalo , Tetsuo Shindou , Muyuan Song

We proposed the spontaneous CP-violation in the Simplest Little Higgs model. In this model, the pseudoscalar field can acquire a nonzero vacuum expected value. It leads to a mixing between the two scalars with different CP-charge, which…

High Energy Physics - Phenomenology · Physics 2018-05-08 Ying-nan Mao

We analyse the general constraints on unified gauge models with spontaneous CP breaking that satisfy the conditions that (i) CP violation in the quark sector is described by a realistic complex CKM matrix, and (ii) there is no significant…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. C. Branco , R. N. Mohapatra

We re-evaluate the decays of the Higgs bosons in the minimal supersymmetric standard model (MSSM) where the tree-level CP invariance of the Higgs potential is explicitly broken by the loop effects of the third-generation squarks with…

High Energy Physics - Phenomenology · Physics 2010-05-28 S. Y. Choi , Kaoru Hagiwara , Jae Sik Lee

Models of spontaneous CP violation can solve the Strong CP problem without the need of an anomalous Peccei-Quinn symmetry. In this work we review the Nelson-Barr approach, quantifying a peculiar coincidence between unrelated mass scales…

High Energy Physics - Phenomenology · Physics 2022-05-10 Alessandro Valenti

We study the mass spectra, production and decay properties of the lightest supersymmetric CP-even and CP-odd Higgs bosons in models with spontaneously broken R-parity (SBRP). We compare the resulting mass spectra with expectations of the…

High Energy Physics - Phenomenology · Physics 2009-06-25 M. Hirsch , J. C. Romao , J. W. F. Valle , A. Villanova del Moral

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

In the minimal supersymmetric standard model with explicit CP violation, associated production of the lightest Higgs boson with heavier ones is analyzed. Due to explicit CP violation, the Higgs bosons are no longer CP eigenstates so that…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. A. Demir

The Next-to-Minimal Supersymmetric Extension of the Standard Model (NMSSM) with a Higgs sector containing five neutral and two charged Higgs bosons allows for a rich phenomenology. In addition, the plethora of parameters provides many…

High Energy Physics - Phenomenology · Physics 2015-06-05 T. Graf , R. Grober , M. Muhlleitner , H. Rzehak , K. Walz

We discuss the feasibility of spontaneous CP violation being induced by radiative corrections in 2HDM's, emphasizing on a consistent treatment at 1-loop level. Specifically, we analyze the cases of gaugino/higgsino effect on MSSM, and a new…

High Energy Physics - Phenomenology · Physics 2009-10-30 Otto C. W. Kong , Feng-Li Lin
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