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We show that in the MSSM without R-parity symmetry there are no new contributions to electron and neutron electric dipole moments (EDMs) at 1-loop induced by the R-parity violating Yukawa couplings. Non-zero EDMs for the electron and…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. A. Abel , A. Dedes , H. K. Dreiner

We study the implications for electroweak baryogenesis (EWB) within the minimal supersymmetric Standard Model (MSSM) of present and future searches for the permanent electric dipole moment (EDM) of the electron, for neutralino dark matter,…

High Energy Physics - Phenomenology · Physics 2014-11-18 Vincenzo Cirigliano , Stefano Profumo , Michael J. Ramsey-Musolf

The neutral Higgs sector of the minimal supersymmetric standard model (MSSM) in explicit CP violation scenario is investigated at the one-loop level. Within the context of the effective potential formalism, the masses of the neutral Higgs…

High Energy Physics - Phenomenology · Physics 2011-07-19 S. W. Ham , S. K. OH , E. J. Yoo , C. M. Kim , D. Son

I consider neutron electric dipole moment contributions induced by flavor changing Standard Model Higgs boson couplings to quarks. Such couplings might stem from non-renormalizable $SU(2)_L \times U(1)_Y$ invariant Lagrange terms of…

High Energy Physics - Phenomenology · Physics 2018-03-13 Jan O. Eeg

Nonstandard CP violation in the Higgs sector can play an essential role in electroweak baryogenesis. We calculate the full two-loop matching conditions of the standard model, with Higgs Yukawa couplings to light quarks modified to include…

High Energy Physics - Phenomenology · Physics 2019-02-20 Joachim Brod , Dimitrios Skodras

We study the constraints on the CP-violating soft-breaking phases in the minimal supersymmetric standard model using the limits on the chromoelectric dipole moment of the strange quark extracted from the neutron EDM experiment. Our…

High Energy Physics - Phenomenology · Physics 2016-09-06 C. Hamzaoui , M. Pospelov , R. Roiban

We review the status of the electric dipole moment (EDM) of neutron in the Standard Model (SM). The contributions of the strong and electroweak interactions are discussed seperately. In each case the structure of the Lagrangian and the…

High Energy Physics - Phenomenology · Physics 2009-09-25 Shahida Dar

We calculate the two-loop level electric and chromo-electric dipole moments of the fermion involving fermion-sfermion inner loop, gaugino, and higgsino in the minimal supersymmetric standard model, and analyze the chromo-electric dipole…

High Energy Physics - Phenomenology · Physics 2013-01-07 Nodoka Yamanaka

The SUSY CP problem is one of serious problems in construction of realistic supersymmetric standard models. We consider the problem in a framework in which adjoint chiral multiplets are introduced and gauginos have Dirac mass terms induced…

High Energy Physics - Phenomenology · Physics 2008-11-26 Junji Hisano , Minoru Nagai , Tatsuya Naganawa , Masato Senami

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 analyze CP-violating effects in both Electric Dipole Moment (EDM) measurements and future analyses at the Large Hadron Collider (LHC) assuming a Two-Higgs-Doublet Model (2HDM) with "soft" CP-violation. Our analysis of EDMs and current…

High Energy Physics - Phenomenology · Physics 2020-10-27 Kingman Cheung , Adil Jueid , Ying-nan Mao , Stefano Moretti

We investigate CP violating 2 Higgs doublet models as an effective theory emerging from models with an $SU(3)_L \otimes U(1)_X$ gauge symmetry. Because of the extension of the electroweak symmetry, a characteristic structure of Yukawa…

High Energy Physics - Phenomenology · Physics 2022-06-22 Zhiyi Fan , Kei Yagyu

Models with two scalar doublets are among the simplest extensions of the Standard Model which fulfill the relation $\rho = 1$ at lowest order for the $\rho$ parameter as favored by experimental data for electroweak observables allowing only…

High Energy Physics - Phenomenology · Physics 2017-03-22 Stephan Hessenberger , Wolfgang Hollik

I consider contributions to the neutron electric dipole moment within Two Higgs Doublet Models which allow for small flavor changing neutral Higgs couplings. In a previous paper, I considered flavor changing interactions for the Standard…

High Energy Physics - Phenomenology · Physics 2020-11-20 Jan O. Eeg

We study electric dipole moments (EDM) of electron and proton in E(6)--inspired supersymmetric models with an extra U(1) invariance. Compared to the Minimal Supersymmetric Standard Model (MSSM), in addition to offering a natural solution to…

High Energy Physics - Phenomenology · Physics 2008-10-28 Alper Hayreter , Asli Sabanci , Levent Solmaz , Saime Solmaz

We study general aspects of the CP-violating effects on the baryon asymmetry of the Universe (BAU) and electric dipole moments (EDMs) in models extended by an extra Higgs doublet and a singlet, together with electroweak-interacting…

High Energy Physics - Phenomenology · Physics 2016-04-20 Kaori Fuyuto , Junji Hisano , Eibun Senaha

We study the neutral Higgs sector of the minimal supersymmetric standard model (MSSM) with explicit CP violation at the one-loop level. We take into account the one-loop contributions by the top quark, the stop quarks, the bottom quark, the…

High Energy Physics - Phenomenology · Physics 2007-11-27 S. W. Ham , S. G. Jo , S. K. OH , D. Son

We revisit the constraints imposed by electric dipole moments (EDMs) of nucleons and heavy atoms on new CP-violating sources within supersymmetric theories. We point out that certain two-loop renormalization group corrections induce…

High Energy Physics - Phenomenology · Physics 2009-09-15 Keith A. Olive , Maxim Pospelov , Adam Ritz , Yudi Santoso

We present the first complete two-loop calculation of the electric and chromo-electric dipole moments of the light quarks and the gluon, as well as contributions to CP-violating lepton-quark interactions, in the unconstrained two-Higgs…

High Energy Physics - Phenomenology · Physics 2025-11-13 Wolfgang Altmannshofer , Joachim Brod , Patipan Uttayarat , Daniil Volkov

The electric dipole moment of the muon ($d_\mu$) is evaluated in a two Higgs doublet model with a softly broken discrete symmetry. The leading contributions from both one loop and two loop diagrams are considered. For $\tan\beta \equiv…

High Energy Physics - Phenomenology · Physics 2009-09-15 Vernon Barger , Ashok Das , Chung Kao