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A buildup of the vertical polarization in the resonant electric dipole moment (EDM) experiment [Y. F. Orlov, W. M. Morse, and Y. K. Semertzidis, Phys. Rev. Lett. 96, 214802 (2006)] is affected by a horizontal electric field in the particle…

High Energy Physics - Phenomenology · Physics 2007-10-02 Alexander J. Silenko

A tool that can constrain, in minutes, beyond-the-standard-model parameters like electric dipole moments (EDM) down to a lower-bound $d_\text{e}^{\cal{N}}<10^{-37}\text{e}\cdot\text{cm}$ in bulk materials, or the coupling of axion-like…

Instrumentation and Methods for Astrophysics · Physics 2016-04-11 Gary Prezeau

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

A proof-of-principle electron electric dipole moment (e-EDM) experiment using slow cesium atoms, nulled magnetic fields, and electric field quantization has been performed. With the ambient magnetic fields seen by the atoms reduced to less…

Atomic Physics · Physics 2008-11-26 Jason M. Amini , Charles T. Munger , Harvey Gould

We investigate Lorentz- and CPT-violating effects in neutron and storage-ring electric dipole moment (EDM) experiments within the framework of the Standard-Model Extension (SME). For neutron EDM experiments, perturbation theory is applied…

High Energy Physics - Phenomenology · Physics 2026-01-15 Yunhua Ding

A search for the $P$- and $CP(T)$-violating electric dipole moments (EDM) of atoms, particles and nuclei with sensitivity up to $10^{-15}$ in units of magnetic dipole moments, allowed by all discrete symmetries, is one of the topical…

High Energy Physics - Theory · Physics 2023-04-06 Sergey N. Vergeles , Nikolai N. Nikolaev , Yuri N. Obukhov , Alexander J. Silenko , Oleg V. Teryaev

In experimental proposals published in the last two decades, a so called frozen spin storage ring concept was proposed for setting upper experimental bounds to electric dipole moment (EDM) of elementary particles. In a recent paper of ours,…

General Relativity and Quantum Cosmology · Physics 2019-09-18 Andras Laszlo

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 propose indium (In) as a possible candidate for observing the permanent electric dipole moment (EDM) arising from the violations of parity (P) and time-reversal (T) symmetries. This atom has been laser cooled and therefore the…

Atomic Physics · Physics 2011-10-04 B. K. Sahoo , R. Pandey , B. P. Das

We propose a very sensitive method for measuring the electric dipole moment of the electron using polar molecules embedded in a cryogenic solid matrix of inert-gas atoms. The polar molecules can be oriented in the $\hat{\rm{z}}$ direction…

Atomic Physics · Physics 2018-01-29 A. C. Vutha , M. Horbatsch , E. A. Hessels

Electric dipole moment of the proton can be searched in an electric storage ring by measuring the spin precession rate of the proton beam on the vertical plane. In the ideal case, the spin precession comes from the coupling between the…

Accelerator Physics · Physics 2019-02-11 Selcuk Haciomeroglu , Yuri F. Orlov , Yannis K. Semertzidis

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 present a lattice calculation of the neutron and proton electric dipole moments (EDM's) with $N_f=2+1$ flavors of domain-wall fermions. The neutron and proton EDM form factors are extracted from three-point functions at the…

High Energy Physics - Lattice · Physics 2016-05-11 Eigo Shintani , Thomas Blum , Taku Izubuchi , Amarjit Soni

We show that proton storage ring experiments designed to search for proton electric dipole moments can also be used to look for the nearly dc spin precession induced by dark energy and ultra-light dark matter. These experiments are…

High Energy Physics - Phenomenology · Physics 2021-03-24 Peter W. Graham , Selcuk Haciomeroglu , David E. Kaplan , Zhanibek Omarov , Surjeet Rajendran , Yannis K. Semertzidis

Ultracold polyatomic molecules are promising candidates for experiments in quantum science, quantum sensing, ultracold chemistry, and precision measurements of physics beyond the Standard Model. A key, yet unrealized, requirement of these…

The measurement of electric dipole moment in storage rings can potentially exceed the sensitivity of tests with neutral systems. The spin dynamics under such conditions is described by the Bargmann-Michel-Telegdi equation. It can be derived…

High Energy Physics - Phenomenology · Physics 2021-01-14 Peter I Porshnev

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

A new search for a permanent electric dipole moment (EDM) of the neutron is underway using ultracold neutrons produced and held in a bath of superfluid helium. Attaining the target sensitivity requires maintaining an electric field of…

Instrumentation and Detectors · Physics 2007-05-23 J. C. Long , P. D. Barnes , J. G. Boissevain , D. J. Clark , M. D. Cooper , J. J. Gomez , S. K. Lamoreaux , R. E. Mischke , S. I. Penttila

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 2017-04-26 F. J. Botella , L. M. Garcia Martin , D. Marangotto , F. Martinez Vidal , A. Merli , N. Neri , A. Oyanguren , J. Ruiz Vidal

A new, hybrid design is proposed to eliminate the main systematic errors in the frozen spin, storage ring measurement of the proton electric dipole moment. In this design, electric bending plates steer the particles, and magnetic focusing…

Accelerator Physics · Physics 2019-03-13 Selcuk Haciomeroglu , Yannis K. Semertzidis
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