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The electric dipole moment (EDM) of the top quark is calculated in a model with a vector like multiplet which mixes with the third generation in an extension of the MSSM. Such mixings allow for new CP violating phases. Including these new…

High Energy Physics - Phenomenology · Physics 2014-11-21 Tarek Ibrahim , Pran Nath

The Standard Model (SM) predictions for the hadronic electric dipole moments (EDMs) are well far from the present experimental resolutions, thus, the EDMs represent very clean probes of New Physics (NP) effects. Especially, within an MSSM…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Hisano , M. Nagai , P. Paradisi

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

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

Combining the recently reported electric dipole moment (EDM) of $^{199}$Hg atom due to breaking of parity and time-reversal symmetries with the improved relativistic atomic calculations, precise limits on the tensor-pseudotensor (T-PT)…

High Energy Physics - Phenomenology · Physics 2017-01-25 B. K. Sahoo

In the supersymmetric model with local gauged baryon and lepton numbers(BLMSSM), the CP violating effects are considered to study the lepton electric dipole moment(EDM). The CP violating phases in BLMSSM are more than those in the standard…

High Energy Physics - Phenomenology · Physics 2015-07-24 Shu-Min Zhao , Tai-Fu Feng , Xi-Jie Zhan , Hai-Bin Zhang , Ben Yan

We demonstrate that electric dipole moments (EDMs) strongly constrain possible SUSY contributions to the CP asymmetries of B processes; LL and/or RR flavour mixings between second and third generations are severely restricted by the…

High Energy Physics - Phenomenology · Physics 2014-11-18 S. Abel , S. Khalil

Static electric dipole moments of nondegenerate systems probe mass scales for physics beyond the Standard Model well beyond those reached directly at high energy colliders. Discrimination between different physics models, however, requires…

High Energy Physics - Phenomenology · Physics 2022-04-05 Ricardo Alarcon , Jim Alexander , Vassilis Anastassopoulos , Takatoshi Aoki , Rick Baartman , Stefan Baeßler , Larry Bartoszek , Douglas H. Beck , Franco Bedeschi , Robert Berger , Martin Berz , Hendrick L. Bethlem , Tanmoy Bhattacharya , Michael Blaskiewicz , Thomas Blum , Themis Bowcock , Anastasia Borschevsky , Kevin Brown , Dmitry Budker , Sergey Burdin , Brendan C. Casey , Gianluigi Casse , Giovanni Cantatore , Lan Cheng , Timothy Chupp , Vince Cianciolo , Vincenzo Cirigliano , Steven M. Clayton , Chris Crawford , B. P. Das , Hooman Davoudiasl , Jordy de Vries , David DeMille , Dmitri Denisov , Milind V. Diwan , John M. Doyle , Jonathan Engel , George Fanourakis , Renee Fatemi , Bradley W. Filippone , Victor V. Flambaum , Timo Fleig , Nadia Fomin , Wolfram Fischer , Gerald Gabrielse , R. F. Garcia Ruiz , Antonios Gardikiotis , Claudio Gatti , Andrew Geraci , James Gooding , Bob Golub , Peter Graham , Frederick Gray , W. Clark Griffith , Selcuk Haciomeroglu , Gerald Gwinner , Steven Hoekstra , Georg H. Hoffstaetter , Haixin Huang , Nicholas R. Hutzler , Marco Incagli , Takeyasu M. Ito , Taku Izubuchi , Andrew M. Jayich , Hoyong Jeong , David Kaplan , Marin Karuza , David Kawall , On Kim , Ivan Koop , Wolfgang Korsch , Ekaterina Korobkina , Valeri Lebedev , Jonathan Lee , Soohyung Lee , Ralf Lehnert , Kent K. H. Leung , Chen-Yu Liu , Joshua Long , Alberto Lusiani , William J. Marciano , Marios Maroudas , Andrei Matlashov , Nobuyuki Matsumoto , Richard Mawhorter , Francois Meot , Emanuele Mereghetti , James P. Miller , William M. Morse , James Mott , Zhanibek Omarov , Luis A. Orozco , Christopher M. O'Shaughnessy , Cenap Ozben , SeongTae Park , Robert W. Pattie , Alexander N. Petrov , Giovanni Maria Piacentino , Bradley R. Plaster , Boris Podobedov , Matthew Poelker , Dinko Pocanic , V. S. Prasannaa , Joe Price , Michael J. Ramsey-Musolf , Deepak Raparia , Surjeet Rajendran , Matthew Reece , Austin Reid , Sergio Rescia , Adam Ritz , B. Lee Roberts , Marianna S. Safronova , Yasuhiro Sakemi , Philipp Schmidt-Wellenburg , Andrea Shindler , Yannis K. Semertzidis , Alexander Silenko , Jaideep T. Singh , Leonid V. Skripnikov , Amarjit Soni , Edward Stephenson , Riad Suleiman , Ayaki Sunaga , Michael Syphers , Sergey Syritsyn , M. R. Tarbutt , Pia Thoerngren , Rob G. E. Timmermans , Volodya Tishchenko , Anatoly V. Titov , Nikolaos Tsoupas , Spyros Tzamarias , Alessandro Variola , Graziano Venanzoni , Eva Vilella , Joost Vossebeld , Peter Winter , Eunil Won , Anatoli Zelenski , Tanya Zelevinsky , Yan Zhou , Konstantin Zioutas

The enhancement factors of the electric dipole moment (EDM) of the ground states of two paramagnetic atoms; rubidium (Rb) and caesium (Cs) which are sensitive to the electron EDM are computed using the relativistic coupled-cluster theory…

Atomic Physics · Physics 2007-09-25 H. S. Nataraj , B. K. Sahoo , B. P. Das , R. K. Chaudhuri , D. Mukherjee

We calculate the electric dipole moment for the electron and neutron in the framework of the 3-3-1 model with heavy charged leptons. We assume that the only source of $CP$ violation arises from a complex trilinear coupling constant and the…

High Energy Physics - Phenomenology · Physics 2015-01-13 G. De Conto , V. Pleitez

We study the anomalous magnetic and electric dipole moments of charged leptons in supersymmetric low-scale seesaw models with right-handed neutrino superfields. We consider a minimally extended framework of minimal supergravity, by assuming…

High Energy Physics - Phenomenology · Physics 2014-01-15 Amon Ilakovac , Apostolos Pilaftsis , Luka Popov

Parity and time invariance violating ($P,T$-odd) atomic electric dipole moments (EDM) are induced by interaction between atomic electrons and nuclear $P,T$-odd moments which are produced by $P,T$-odd nuclear forces. The nuclear EDM is…

Nuclear Theory · Physics 2009-08-18 V. F. Dmitriev , V. V. Flambaum

The electric dipole moment (EDM) of elementary particles, arising from flavor-diagonal $CP$ violation, serves as a powerful probe for new physics beyond the Standard Model and holds the potential to provide novel insights in unraveling the…

High Energy Physics - Experiment · Physics 2023-12-29 Jinlin Fu , Hai-Bo Li , Jian-Peng Wang , Fu-Sheng Yu , Jianyu Zhang

In this work, we address the impact of a small lepton number violation on charged lepton electric dipole moments - EDMs. Low-scale seesaw models protected by lepton number symmetry and leading to pseudo-Dirac pairs in the neutrino heavy…

High Energy Physics - Phenomenology · Physics 2024-08-27 Asmaa Abada , Takashi Toma

We calculate the electric dipole form factor of the neutron in a perturbative chiral quark model, parameterizing CP-violation of generic origin by means of effective electric dipole moments of the constituent quarks and their CP-violating…

High Energy Physics - Phenomenology · Physics 2008-11-26 Claudio Dib , Amand Faessler , Thomas Gutsche , Sergey Kovalenko , Jan Kuckei , Valery E. Lyubovitskij , Kem Pumsa-ard

The existence of electric dipole moments (EDM) for fundamental particles signals time-reversal symmetry (T) violation accompanied by violation of parity (P); only upper limits have been established to date. Time-reversal violation in turn…

Nuclear Experiment · Physics 2022-03-02 D. H. Beck , D. Budker , B. K. Park , nEDM Collaboration

We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced…

We have considered a mechanism for inducing a time-reversal violating electric dipole moment (EDM) in atoms through the interaction of a nuclear EDM (d_N) with the hyperfine interaction, the "magnetic moment effect". We have derived the…

Atomic Physics · Physics 2015-05-20 S. G. Porsev , J. S. M. Ginges , V. V. Flambaum

We consider constraints on $\cp$-violating phases in the Constrained Minimal Supersymmetric Standard Model. We find that by combining cosmological limits on gaugino masses with experimental bounds on the neutron and electron electric dipole…

High Energy Physics - Phenomenology · Physics 2009-09-15 Toby Falk , Keith A. Olive

In the framework of the minimal supersymmetric model extension with new scalar triplets and singlet (TNMSSM), we analyze the electric dipole moment (EDM) of neutron ($d_n$), electron EDM($d_e$), the mercury EDM($d_{Hg}$), $b$ quark ($d_b$)…

High Energy Physics - Phenomenology · Physics 2025-02-06 Qing-hua Li , Jin-Lei Yang , Xiang Yang , Tai-Fu Feng