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Related papers: The equivalent Electric Dipole Moment in SMEFT

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We propose a novel approach in a search for the neutron electric dipole moment (EDM) by taking advantage of signal amplification in a weak measurement, known as weak value amplification. Considering an analogy to the weak measurement that…

High Energy Physics - Phenomenology · Physics 2021-05-18 Daiki Ueda , Teppei Kitahara

We analyze the implications of CP-violating scalar leptoquark (LQ) interactions for experimental probes of parity- and time-reversal violating properties of polar molecules. These systems are predominantly sensitive to the electric dipole…

High Energy Physics - Phenomenology · Physics 2018-11-28 Kaori Fuyuto , Michael Ramsey-Musolf , Tianyang Shen

The prospect of laser cooling of polyatomic molecules has opened a new avenue in the search for the electric dipole moment of the electron (eEDM). An upper bound on the eEDM would probe new physics arising from beyond the Standard Model of…

Atomic Physics · Physics 2019-06-12 V. S. Prasannaa , N. Shitara , A. Sakurai , M. Abe , B. P. Das

We discuss a search for the electric dipole moment (EDM) of a light beta-radioactive ion using a compact ion trap by adapting the "frozen-spin" method. The measurement will be done on ions stripped of their valence electrons, thereby…

High Energy Physics - Experiment · Physics 2025-10-07 Chavdar Dutsov , Timothy Hume , Maxim Pospelov , Philipp Schmidt-Wellenburg

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 discuss an experiment underway at Imperial College London to measure the permanent electric dipole moment (EDM) of the electron using a molecular beam of YbF. We describe the measurement method, which uses a combination of laser and…

Atomic Physics · Physics 2014-03-04 B. E. Sauer , J. J. Hudson , D. M. Kara , I. J. Smallman , M. R. Tarbutt , E. A. Hinds

In some models of physics beyond the Standard Model (SM), one of the leading low energy consequences of the model appears in the form of the chromo-electric dipole moments (CEDMs) of the gluons and light quarks. We examine if these CEDMs…

High Energy Physics - Phenomenology · Physics 2024-08-23 Kiwoon Choi , Sang Hui Im , Krzysztof Jodłowski

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

Electroweak baryogenesis (EWB) and electric dipole moment (EDM) have close relation with the new physics beyond the standard model (SM), because the SM CP-violating (CPV) interactions are not sufficient to provide the baryon asymmetry of…

High Energy Physics - Phenomenology · Physics 2020-03-23 Jin-Lei Yang , Tai-Fu Feng , Hai-Bin Zhang

The observation of an electron electric dipole moment (eEDM) would have major ramifications for the standard model of physics. Polar molecules offer a near-ideal laboratory for such searches due to the large effective electric field (${\bf…

Atomic Physics · Physics 2009-11-13 Edmund Meyer , John Bohn

The electric dipole moment (EDM) of an atom could arise also from $P$-odd and $T$-odd electron-nucleon couplings. In this work we investigate a general class of dimension-$6$ electron-nucleon ($e$-$N$) nonminimal interactions mediated by…

High Energy Physics - Phenomenology · Physics 2019-08-07 Jonas B. Araujo , A. H. Blin , Marcos Sampaio , Manoel M. Ferreira

We report the results of our {\it ab initio} relativistic many-body calculations of the electric dipole moment (EDM) $d_A$ arising from the electron-nucleus tensor-pseudotensor (T-PT) interaction, the interaction of the nuclear Schiff…

Atomic Physics · Physics 2015-06-23 B. K. Sahoo , Yashpal Singh , B. P. Das

A precise theoretical study of the electronic structure of heavy atom diatomic molecules is of key importance to interpret the experiments in the search for violation of time-reversal (T) and spatial-parity (P) symmetries of fundamental…

Atomic Physics · Physics 2016-12-02 L. V. Skripnikov

The matter-antimatter asymmetry cannot be explained by the Standard Model (SM) of elementary particle physics. According to A. Sakharov, additional sources of $\mathcal{CP}$-Violating phenomena are needed to understand the matter-antimatter…

Nuclear Experiment · Physics 2022-07-06 Achim Andres

The search for particle electric dipole moments (edm) represents a most promising way to search for physics beyond the standard model. A number of groups are planning a new generation of experiments using stored gases of various kinds. In…

Nuclear Experiment · Physics 2022-04-26 A. L. Barabanov , R. Golub , S. K. Lamoreaux

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

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

Existing limits on the electric dipole moment (EDM) of the free neutron have provided critical constraints on new sources of CP violation for more than 60 years. A new round of searches are actively underway with the goal of improving the…

Nuclear Experiment · Physics 2018-10-10 B. W. Filippone

The nuclear physics relevant to the electric dipole moment (EDM) of the deuteron is addressed. The general operator structure of the $P$- and $T$-odd nucleon-nucleon interaction is discussed and applied to the two-body contributions of the…

Nuclear Theory · Physics 2014-11-18 C. -P. Liu , R. G. E. Timmermans

We report the results of theoretical investigation of electronic structure of ThF$^+$ cation which is one of the most interesting systems to search for the electron electric dipole moment (eEDM) [H. Loh, K.C. Cossel, M.C. Grau, K.-K. Ni,…

Atomic Physics · Physics 2015-05-01 L. V. Skripnikov , A. V. Titov