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Related papers: Revisiting the Electron EDM in the NMSSM

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The electric dipole moment is examined in a three-loop neutrino mass model with dark matter originally proposed in Aoki et al. [Phys. Rev. Lett. 102, 051805 (2009)]. The model contains a $CP$-violating phase in the Higgs potential which…

High Energy Physics - Phenomenology · Physics 2024-07-31 Kazuki Enomoto , Shinya Kanemura , Sora Taniguchi

We analyze the constraints imposed by experimental upper limits on electric dipole moments (EDMs) within the Maximally CP- and Minimally Flavour-Violating (MCPMFV) version of the MSSM. Since the MCPMFV scenario has 6 non-standard…

High Energy Physics - Phenomenology · Physics 2014-11-21 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

Within the minimal supersymmetric standard model (MSSM), the large tan(beta) regime can lead to important modifications in the pattern of CP-violating sources contributing to low energy electric dipole moments (EDMs). In particular,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Durmus Demir , Oleg Lebedev , Keith A. Olive , Maxim Pospelov , Adam Ritz

We discuss electric dipole moments (EDMs) in the framework of CP-violating natural supersymmetry (SUSY). Recent experimental results have significantly tightened constraints on the EDMs of electrons and of mercury, and substantial further…

High Energy Physics - Phenomenology · Physics 2017-09-13 Yuichiro Nakai , Matthew Reece

Baryon asymmetry of the universe can be generated by new sources of $CP$ violation intrinsic in supersymmetric extension of the standard model. This scenario predicts the neutron electric dipole moment to be not much smaller than its…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mayumi Aoki , Noriyuki Oshimo , Akio Sugamoto

The minimal supersymmetric standard model (MSSM) with complex parameters can contribute sizably to muon/electron anomalous magnetic dipole momemnt ($g-2$) and electric dipole moment (EDM). The electron $g-2$ interplays with electron EDM;…

High Energy Physics - Phenomenology · Physics 2021-12-03 Song Li , Yang Xiao , Jin Min Yang

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 address the following question. Take the Constrained Minimal Supersymmetric Standard Model (CMSSM) with the two CP violating SUSY phases different from zero, and neglect the bound coming from the electric dipole moment of the neutron…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. A. Demir , A. Masiero , O. Vives

We calculate the baryon asymmetry produced at the electroweak phase transition by quasi-degenerate third generation sfermions in the minimal supersymmetric extension of the Standard Model. We evaluate constraints from Higgs searches, from…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jonathan Kozaczuk , Stefano Profumo , Michael J. Ramsey-Musolf , Carroll L. Wainwright

We review several aspects of flavour-diagonal CP violation, focussing on the role played by the electric dipole moments (EDMs) of leptons, nucleons, atoms and molecules, which consitute the source of several stringent constraints on new…

High Energy Physics - Phenomenology · Physics 2009-07-09 Maxim Pospelov , Adam Ritz

In the context of the supersymmetrized seesaw mechanism embedded in the Minimal Supersymmetric Standard Model (MSSM), complex neutrino Yukawa couplings can induce Electric Dipole Moments (EDMs) for the charged leptons, providing an…

High Energy Physics - Phenomenology · Physics 2014-11-18 D. Demir , Y. Farzan

Electroweak baryogenesis (EWBG) constitutes a theoretically compelling and experimentally testable mechanism for explaining the origin of the baryon asymmetry of the universe (BAU). New results for the electric dipole moment (EDM) of the…

High Energy Physics - Phenomenology · Physics 2026-05-25 Yuan-Zhen Li , Michael J. Ramsey-Musolf , Jiang-Hao Yu

The new results on the muon anomalous magnetic moment (AMM) published by Fermilab in 2021, did not lead to a reduction of its long-pending deviation from the Standard Model (SM) value by more than 4$\sigma$. The explanation of this…

High Energy Physics - Phenomenology · Physics 2022-07-27 Thi Nhung Dao , Duc Ninh Le , Margarete Mühlleitner

We study two Higgs doublet models with successful electroweak baryogenesis but without cancellations of electric dipole moments (EDMs). For the baryogenesis, additional scalar bosons are favored to couple mainly with the top quark with CP…

High Energy Physics - Phenomenology · Physics 2025-04-11 Masashi Aiko , Motoi Endo , Shinya Kanemura , Yushi Mura

The searching for the electric dipole moments (EDMs) of neutron ($d_n$), $b$ quark ($d_b$) and $c$ quark ($d_c$) gives strict upper bounds on these quantities. And recently, new upper bounds on $d_b$, $d_c$ are obtained by the strict limit…

High Energy Physics - Phenomenology · Physics 2020-04-10 Jin-Lei Yang , Tai-Fu Feng , Sheng-Kai Cui , Chang-Xin Liu , Wei Li , Hai-Bin Zhang

The experimental limit on the neutron electric dipole moment is used as a possible probe of new physics beyond the standard model. Within MSSM we use the current experimental limit on the neutron EDM and possible future improvement as a…

High Energy Physics - Phenomenology · Physics 2015-06-11 Amin Aboubrahim , Tarek Ibrahim , Pran Nath

In the framework of seesaw mechanism embedded in the constrained Minimal Supersymmetric Standard Model (cMSSM), phases of neutrino Yukawa coupling, $\mu$-term and $A$-terms can all contribute to the Electric Dipole Moment (EDM) of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. A. Demir , Y. Farzan

We analyse the dependence of the electron electric dipole moment (EDM) on neutrino CP violating phases in the context of supersymmetric models. We start by studying the supersymmetric contributions to the lepton EDM and lepton flavour…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. C. Branco , D. Delepine , S. Khalil

The possibility of cancelation between different contributions to d_e, d_n and d_{Hg} has been reconsidered with special emphasis on the region that is phenomenologically interesting (intermediate values of \tan \beta and sub-TeV sfermion…

High Energy Physics - Phenomenology · Physics 2014-11-18 Seyed Yaser Ayazi , Yasaman Farzan

We systematically analyze constraints on supersymmetric theories imposed by the experimental bounds on the electron, neutron, and mercury electric dipole moments. We critically reappraise the known mechanisms to suppress the EDMs and…

High Energy Physics - Phenomenology · Physics 2010-05-28 S. Abel , S. Khalil , O. Lebedev