English
Related papers

Related papers: Constraining Dimension-Six Nonminimal Lorentz-Viol…

200 papers

The contribution of the R-parity violating minimal supersymmetric Standard model (RPVMSSM) at the one-loop level to the 199Hg atomic electric dipole moment (EDM) through P, CP-odd electron-nucleon (e-N) interaction is calculated. We show…

High Energy Physics - Phenomenology · Physics 2012-06-20 Nodoka Yamanaka

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

Heavy quarks, namely, the top and bottom quarks, may show great sensitiveness to new physics effects. In particular, they might have unusually large electric dipole moments. This possibility is analyzed via the corresponding one-loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Cordero-Cid , J. M. Hernandez , G. Tavares-Velasco , J. J. Toscano

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

We construct the relationship between nonrenormalizable,effective, time-reversal violating (TV) parity-conserving (PC) interactions of quarks and gauge bosons and various low-energy TVPC and TV parity-violating (PV) observables. Using…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Kurylov , G. C. McLaughlin , M. J. Ramsey-Musolf

We examine the sensitivity of electric dipole moments (EDMs) to new $CP$-violating physics in a hidden (or dark) sector, neutral under the Standard Model (SM) gauge groups, and coupled via renormalizable portals. In the absence of weak…

High Energy Physics - Phenomenology · Physics 2019-10-17 Shohei Okawa , Maxim Pospelov , Adam Ritz

In the supersymmetric standard model (SSM) the $W$-boson could have a non-vanishing electric dipole moment (EDM) through a one-loop diagram mediated by the charginos and neutralinos. Then the $W$-boson EDM induces the EDMs of the neutron…

High Energy Physics - Phenomenology · Physics 2019-08-17 Tomoko Kadoyoshi , Noriyuki Oshimo

Linear response approach to the relativistic coupled-cluster (RCC) theory has been extended to estimate contributions from the parity and time-reversal violating pseudoscalar-scalar (Ps-S) and scalar-pseudoscalar (S-Ps) electron-nucleus…

High Energy Physics - Phenomenology · Physics 2023-10-19 B. K. Sahoo , Nodoka Yamanaka , Kota Yanase

Electric dipole moment (EDM) of baryons provides a sensitive probe of CP-violating interactions beyond the Standard Model. Motivated by the recent BESIII measurement on the $\Lambda$-hyperon EDM [1], we present the first perturbative QCD…

High Energy Physics - Phenomenology · Physics 2026-02-05 Kai-Bao Chen , Xiao-Gang He , Jian-Ping Ma , Xuan-Bo Tong

We show that the proposed measurements of the electric dipole moments of light nuclei in storage rings would put strong constraints on models of flavor-diagonal CP violation. Our analysis is exemplified by a comparison of the Standard Model…

High Energy Physics - Phenomenology · Physics 2014-07-22 W. Dekens , J. de Vries , J. Bsaisou , W. Bernreuther , C. Hanhart , Ulf-G. Meißner , A. Nogga , A. Wirzba

Parity and time invariance violating (P,T-odd) nuclear forces produce P,T-odd nuclear moments. In turn, these moments can induce electric dipole moments (EDMs) in atoms through the mixing of electron wavefunctions of opposite parity. The…

Nuclear Theory · Physics 2008-11-26 V. V. Flambaum , J. S. M. Ginges

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 analyze the effects of CP-violating phases on the electric dipole moment (EDM) of electron and neutron in the constrained minimal supersymmetric model. We find that the phases phi_{\mu} and phi_{A_0} have to be strongly correlated, in…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Bartl , T. Gajdosik , W. Porod , P. Stockinger , H. Stremnitzer

The neutron electric dipole moment is investigated in a supersymmetric electroweak model admitting $ {\rm SU(2)}_W $ singlet and $ Q = -1/3 $, say $ D $-type, quarks. Significant $ CP $ violating phases appear in the coupling between the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Yoshiya Takeda , Isao Umemura , Katsuji Yamamoto , Dai Yamazaki

The parity (P) and time-reversal (T) odd coupling constant associated with the tensor-pseudotensor (T-PT) electron-nucleus interaction and the nuclear Schiff moment (NSM) have been determined by combining the result of the measurement of…

Atomic Physics · Physics 2015-06-18 Yashpal Singh , B. K. Sahoo , B. P. Das

The CP violating Weinberg operator (or the gluon chromo-electric dipole moment) is generated in many candidates of new physics beyond the standard model, and it contributes to observables such as the electric dipole moments (EDM) of the…

Nuclear Theory · Physics 2023-01-18 Nodoka Yamanaka

The Electric Dipole Moment of the electron (eEDM) is typically investigated in experiments using paramagnetic molecules. However, the physical observable in these searches consists in a linear combination of CP-violating interactions,…

High Energy Physics - Phenomenology · Physics 2025-03-31 Marco Ardu , Nicola Valori

We study the leptonic CP violation by employing the complete set of dimension-six pure leptonic effective operators. Connection among the observable at different energy scales can be made by the running of the renormalization group…

High Energy Physics - Phenomenology · Physics 2009-11-11 We-Fu Chang , John N. Ng

Electric dipole moment (EDM) measurements using paramagnetic molecules have significantly advanced over the last decade. Traditionally, these experiments have been analyzed in terms of the electron EDM. However, paramagnetic molecules are…

High Energy Physics - Phenomenology · Physics 2026-05-20 Wouter Dekens , Jordy de Vries , Lemonia Gialidi , Javier Menéndez , Heleen Mulder , Beatriz Romeo

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