English
Related papers

Related papers: EFT approach to the electron Electric Dipole Momen…

200 papers

We present results of the first experiment to probe for the electric dipole moment (EDM) of the electron using an $\Omega$-doublet state in a polar molecule. If the molecule is both massive and has a large molecular-fixed frame dipole…

Atomic Physics · Physics 2015-06-15 S. Eckel , P. Hamilton , E. Kirilov , H. W. Smith , D. DeMille

The electric dipole moment (EDM) enhancement factor of atomic Tl is of considerable interest as it has been used in determining the most accurate intrinsic electron EDM limit to date. However, the value of this quantity varies from $-179$…

Atomic Physics · Physics 2011-07-08 H. S. Nataraj , B. K. Sahoo , B. P. Das , D. Mukherjee

We set up the framework for the calculation of electric dipole moments (EDMs) of light nuclei using the systematic expansion provided by chiral effective field theory (EFT). We take into account parity (P) and time-reversal (T) violation…

High Energy Physics - Phenomenology · Physics 2011-12-12 J. de Vries , R. Higa , C. -P. Liu , E. Mereghetti , I. Stetcu , R. G. E. Timmermans , U. van Kolck

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

We perform calculations of the CP-violating atomic and molecular electric dipole moments (EDM) induced by the interaction of the nuclear Schiff moments with electrons. EDM of atoms Eu, Dy, Gd, Ac, Th, Pa, U, Np and Pu are of special…

Atomic Physics · Physics 2020-04-15 V. V. Flambaum , V. A. Dzuba

We report rigorous calculations of electric dipole moment (EDM) in $^{225}$Ra due to parity and time-reversal violating tensor-pseudotensor (T-PT) and nuclear Schiff moment (NSM) interactions between the electrons and nucleus by employing…

Atomic Physics · Physics 2015-08-12 Yashpal Singh , B. K. Sahoo

Experimental searches for the electron electric dipole moment, $d_e$, probe new physics beyond the Standard Model. Recently, the ACME Collaboration set a new limit of $|d_e| <1.1\times 10^{-29}$ $e\cdot \textrm{cm}$ [Nature $\textbf{562}$,…

Atomic Physics · Physics 2023-11-14 C. D. Panda , C. Meisenhelder , M. Verma , D. G. Ang , J. Chow , Z. Lasner , X. Wu , D. DeMille , J. M. Doyle , G. Gabrielse

We present an analysis of the electric dipole moment (EDM) of the deuteron as induced by CP-violating operators of dimension 4, 5 and 6 including theta QCD, the EDMs and color EDMs of quarks, four-quark interactions and the Weinberg…

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

We derive an upper limit on the electric dipole moment (EDM) of the tau-lepton, which follows from the precision measurements of the electron EDM.

High Energy Physics - Phenomenology · Physics 2009-08-05 A. G. Grozin , I. B. Khriplovich , A. S. Rudenko

The current constraint on the electron electric dipole moment ($e$EDM), $|d_e|<4.1\times 10^{-30}$ ${e {\cdotp} {\rm cm}}$ (90\% confidence), was recently established using the trapped $^{180}$Hf$^{19}$F$^+$ molecular ions in the $J=1$…

Atomic Physics · Physics 2023-05-16 Alexander N. Petrov , Leonid V. Skripnikov , Anatoly V. Titov

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

The electric dipole moment (EDM) is an excellent probe of new physics beyond the standard model of particle physics. The EDM of light nuclei is particularly interesting due to the high sensitivity to the hadron level CP violation. In this…

Nuclear Theory · Physics 2020-01-08 Nodoka Yamanaka

We pursue, in this contribution, an investigation of the contribution of the electron's magnetic dipole moment (MDM) to the electron's electric dipole moment (EDM) (or the charged leptons, more generally) in the framework of the Born-Infeld…

High Energy Physics - Phenomenology · Physics 2016-10-11 N. Panza , Y. M. P. Gomes , J. A. Helayël

Electric dipole moments are extremely sensitive probes of physics beyond the Standard Model. A vibrant experimental program is in place, with the goal of improving existing bounds on the electron and neutron electric dipole moments by one…

High Energy Physics - Phenomenology · Physics 2018-10-03 Emanuele Mereghetti

Electric dipole moment (EDM) experiments are at the fore-front of search for physics beyond the standard model. The next generation searches promise to improve by several orders of magnitude the current EDM sensitivity levels.

High Energy Physics - Experiment · Physics 2009-10-16 Yannis K. Semertzidis

We report theoretical results of the electric dipole moment (EDM) of $^{210}$Fr which arises from the interaction of the EDM of an electron with the internal electric field in an atom and the scalar-pseudoscalar electron-nucleus…

High Energy Physics - Phenomenology · Physics 2021-02-23 Nanako Shitara , Nodoka Yamanaka , Bijaya Kumar Sahoo , Toshio Watanabe , Bhanu Pratap Das

Theoretical studies are presented how the electric dipole moment (EDM) of the electron in H-like ions in electrostatic storage rings can sensitively be determined. With the proposed experiments a new constraint of about $10^{-29}$ e cm for…

We perform a quantitative study of the neutron and electron electric dipole moments (EDM) in Supersymmetry, in the limit of heavy scalars. The leading contributions arise at two loops. We give the complete analytic result, including a new…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. F. Giudice , A. Romanino

We present a detailed study of the Thallium, neutron, Mercury and deuteron electric dipole moments (EDMs) in the CP-violating Minimal Supersymmetric extension of the Standard Model (MSSM). We take into account the complete set of one-loop…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

The continued interest in placing bounds on the neutron's Electric Dipole Moment (EDM) is due to the implications regarding the characteristics of the strong interaction and, in particular, its behavior under the CP symmetry. In this work,…

High Energy Physics - Phenomenology · Physics 2024-11-26 Octavio Guerrero , Libertad Barrón-Palos , Daniel Sudarsky