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Related papers: Electric Dipole Moments in U(1)' Models

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We obtain bounds on the anomalous magnetic and electric dipole moments of the tau-neutrino through the reaction $e^{+}e^{-}\to \nu \bar \nu \gamma$ at the $Z_1$-pole in the framework of a Left-Right symmetric model and a class of $E_6$…

High Energy Physics - Phenomenology · Physics 2011-03-23 A. Gutierrez-Rodriguez , M. A. Hernandez-Ruiz , B. Jayme-Valdes , M. A. Perez

We study the phenomenology of electric dipole moments (EDMs) induced in various scalar leptoquark models. We consider generic leptoquark couplings to quarks and leptons and match to Standard Model effective field theory. After evolving the…

High Energy Physics - Phenomenology · Physics 2019-01-24 W. Dekens , J. de Vries , M. Jung , K. K. Vos

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

In the standard model (SM), the coupling of the Higgs boson to electrons is real and very small, proportional to the electron mass. New physics could significantly modify both real and imaginary parts of this coupling. We discuss…

High Energy Physics - Phenomenology · Physics 2015-06-02 Wolfgang Altmannshofer , Joachim Brod , Martin Schmaltz

Background: Direct measurement of the electric dipole moment (EDM) of the neutron lies in the future; measurement of a nuclear EDM may well come first. The deuteron is one nucleus for which exact model calculations are feasible. Purpose: We…

Nuclear Theory · Physics 2010-12-28 Iraj R. Afnan , Benjamin F. Gibson

Permanent electric dipole moments (EDMs) of fundamental particles provide powerful probes for physics beyond the Standard Model. We propose to search for the EDM of strange and charm baryons at LHC, extending the ongoing experimental…

High Energy Physics - Experiment · Physics 2021-05-21 L. Henry , D. Marangotto , A. Merli , N. Neri , J. Ruiz , F. Martinez Vidal

The anomalous magnetic (MDM) and electric (EDM) dipole moments of the $\tau$ lepton serve as crucial indicators of new physics beyond the Standard Model. Leveraging azimuthal angular asymmetry as a novel tool in ultraperipheral collisions…

High Energy Physics - Phenomenology · Physics 2024-04-11 Ding Yu Shao , Bin Yan , Shu-Run Yuan , Cheng Zhang

The generic supersymmetric standard model is a model built from a supersymmetrized standard model field spectrum the gauge symmetries only. The popular minimal supersymmetric standard model differs from the generic version in having…

High Energy Physics - Phenomenology · Physics 2009-11-07 Otto C. W. Kong

An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a…

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 have studied the impact of CP-violating (CPV) effects on electroweak baryogenesis (EWBG) and the electric dipole moment (EDM) of electron ($d_e$), the electric dipole moment (EDM) of mercury neutron ($d_n$) and the electric dipole moment…

High Energy Physics - Phenomenology · Physics 2025-02-18 Xiang Yang , Ming-Hui Guo , Jin-Lei Yang , Qing-Hua Li , Tai-Fu Feng

The nuclear electric dipole moment is a very sensitive probe of CP violation beyond the standard model, and for light nuclei, it can be evaluated accurately using the few-body calculational methods. In this talk, we present the result of…

Nuclear Theory · Physics 2016-07-01 Nodoka Yamanaka

We present a simple analysis that allows us to extract the leading mass dependence of the dipole moment of matter fermions that might be induced by new physics. We present explicit results for the supersymmetric model with broken R-parity…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. M. Godbole , S. Pakvasa , S. D. Rindani , X. Tata

We consider a $SU(3)_c \times SU(3)_L \times U(1)_X$ model from a $SU(6)$ Grand Unified Theory (GUT). In order to explain the anomalous magnetic moments of muon and electron, we introduce two new scalar triplets without vacuum expectation…

High Energy Physics - Phenomenology · Physics 2021-11-29 Tianjun Li , Junle Pei , Wenxing Zhang

The electroweak (EW) symmetry breaking in the simplest supersymmetric (SUSY) extensions of the standard model (SM), i.e. minimal and next-to-minimal supersymmetric standard models (MSSM and NMSSM), is considered. The spectrum of the Higgs…

High Energy Physics - Phenomenology · Physics 2011-05-13 R. Nevzorov

The electric and magnetic dipole moments of dyon fermions are calculated within N=2 supersymmetric Yang-Mills theory including the theta-term. It is found, in particular, that the gyroelectric ratio deviates from the canonical value of 2…

High Energy Physics - Theory · Physics 2008-11-26 Makoto Kobayashi , Taichiro Kugo , Tatsuya Tokunaga

EDMs probe fundamental symmetries and underpin BSM searches. We give a symmetry-based description, analogous to the Zeeman effect, that puts magnetic and electric dipoles on equal footing under EM duality. In hydrogen, $\vec B$…

Atomic Physics · Physics 2026-02-17 Michael E. Tobar

We study the effect of the "chromo-electric" dipole moment on the electric dipole moment(EDM) of the neutron in the two Higgs doublet model. We systematically investigate the Weinberg's operator $O_{3g}=GG\t G$ and the operator $O_{qg}=\bar…

High Energy Physics - Phenomenology · Physics 2010-11-01 Tkemi Hayashi , Yoshio Koide , Masahisa Matsuda , Morimitsu Tanimoto

A fully generic treatment of electric dipole moments (EDMs) is presented in the CP-violating and flavor-conserving weak effective field theory (WET) with five flavors of quarks and three flavors of leptons. We systematically analyze leading…

High Energy Physics - Phenomenology · Physics 2024-06-13 Jacky Kumar , Emanuele Mereghetti

The two-nucleon contributions to the electric dipole moment (EDM) of the deuteron, induced by the QCD $\theta$-term, are calculated in the framework of effective field theory up-to-and-including next-to-next-to-leading order. In particular…

High Energy Physics - Phenomenology · Physics 2013-03-13 J. Bsaisou , C. Hanhart , S. Liebig , U. -G. Meißner , A. Nogga , A. Wirzba
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