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Dipole-dipole interactions between helium atoms in Rydberg-Stark states with principal quantum number $n=53$ and approximately linear Stark energy shifts, resulting from induced electric dipole moments of approximately 7900 D, have been…

Atomic Physics · Physics 2015-07-14 V. Zhelyazkova , S. D. Hogan

Recently strong electric fields (up to 10^9 V/cm) have been discovered, which affect the neutrons moving in noncentrosymmetric crystals. Such fields allow new polarization phenomena in neutron diffraction and optics and provide, for…

High Energy Physics - Experiment · Physics 2007-05-23 V. V. Fedorov , V. V. Voronin

Electric Dipole Moments (EDMs) of subatomic particles, are considered as one of the most powerful tools to study CP-violation beyond the Standard Model. Such CP-violating mechanisms are searched for to explain the dominance of matter over…

High Energy Physics - Experiment · Physics 2022-03-24 Joerg Pretz

At the Paul Scherrer Institute (PSI) we are developing a high precision instrument to measure the muon electric dipole moment (EDM). The experiment is based on the frozen-spin method in which the spin precession induced by the anomalous…

High Energy Physics - Experiment · Physics 2023-05-03 Chavdar Dutsov , Timothy Hume , Philipp Schmidt-Wellenburg

A storage ring provides an attractive option for directly measuring the electric dipole moment~(EDM) of charged particles. To reach a sensitivity of 10^-29 e x cm, it is critical to mitigate the systematic errors from all sources. This…

Accelerator Physics · Physics 2016-11-16 Mei Bai , Yann Dutheil , David Sagan

The T-odd phenomenon of induction of the magnetic field by a static electric field provides to study the electron EDM and constants of T-odd, P-odd interaction of an electron with a nucleus. Measurement of this magnetic field for…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. G. Baryshevsky

The electric dipole moment (EDM) of paramagnetic atoms is sensitive to the intrinsic EDM contribution from that of its constituent electrons and a scalar--pseudo-scalar (S-PS) electron-nucleus interactions. The electron EDM and the S-PS EDM…

Atomic Physics · Physics 2008-07-16 H. S. Nataraj , B. K. Sahoo , B. P. Das , D. Mukherjee

We perform laser induced fluorescence(LIF) spectroscopy on a pulsed supersonic beam of tungsten carbide(WC) molecules, which has been proposed as a candidate molecular system for a permanent Electric Dipole Moment(EDM) search of the…

Atomic Physics · Physics 2015-06-12 J. Lee , J. Chen , L. V. Skripnikov , A. N. Petrov , A. V. Titov , N. S. Mosyagin , A. E. Leanhardt

We study an important contribution to the electric dipole moment (EDM) of the electron (or quarks) at the two-loop level due to the $W$-EDM in the recently proposed scenario of split supersymmetry. This contribution is independent of the…

High Energy Physics - Phenomenology · Physics 2009-09-01 Darwin Chang , We-Fu Chang , Wai-Yee Keung

Ultrafast electron diffraction (UED) is a technique in which short-pulse electron beams can probe the femtosecond-scale evolution of atomic structure in matter driven far from equilibrium. As an accelerator physics challenge, UED imposes…

We propose diatomic molecules built from gold and carbon-group atoms as promising candidates for optical cycling and precision measurements. We show that this class of molecules (AuX, X = C, Si, Ge, Sn, Pb) features laser-accessible…

Atomic Physics · Physics 2024-07-30 K. Cooper Stuntz , Kendall L. Rice , Lan Cheng , Benjamin L. Augenbraun

We present the first results of a new search for a permanent electric dipole moment of the ^{199}Hg atom using a UV laser. Our measurements give d(Hg)= - (1.06 +/- 0.49 +/- 0.40) 10^{-28} e cm. We interpret the result as an upper limit…

High Energy Physics - Experiment · Physics 2009-10-31 M. V. Romalis , W. C. Griffith , E. N. Fortson

This report shows the design and the performance of a large area Silicon Photomultiplier (SiPM) module developed detection of fluorescent light emitted from a 10 cm scale volume. The module was optimized for the planned ACME III electron…

Instrumentation and Detectors · Physics 2022-11-09 A. Hiramoto , T. Masuda , D. G. Ang , C. Meisenhelder , C. Panda , N. Sasao , S. Uetake , X. Wu , D. Demille , J. M. Doyle , G. Gabrielse , K. Yoshimura

A permanent electric dipole moment of fundamental spin-1/2 particles violates both parity (P) and time re- versal (T) symmetry, and hence, also charge-parity (CP) symmetry since there is no sign of CPT-violation. The search for a neutron…

The rapidly increasing use of sensors throughout different research disciplines and the demand for more efficient devices with less power consumption depends critically on the emergence of new sensor materials and novel sensor concepts.…

Materials Science · Physics 2016-12-12 Maja Feierabend , Gunnar Berghäuser , Andreas Knorr , Ermin Malic

The use of differential phase contrast (DPC) in scanning transmission electron microscopy (STEM) has shown much promise for directly investigating the functional properties of a material system, leveraging the natural coupling between the…

Materials Science · Physics 2025-12-04 Rafael V. Ferreira , Sebastian Calderon V. , Paulo J. Ferreira

We report results of an experimental search for the intrinsic Electric Dipole Moment (EDM) of the electron using a solid-state technique. The experiment employs a paramagnetic, insulating gadolinium gallium garnet (GGG) that has a large…

Nuclear Experiment · Physics 2015-06-03 Y. J. Kim , C. -Y. Liu , S. K. Lamoreaux , G. Visser , B. Kunkler , A. N. Matlashov , J. C. Long , T. G. Reddy

Electromagnetic moments of particles carry important information on their internal structure, as well as on the structure of the effective Lagrangian describing their underlying field theory. One of the cleanest observable of such kind is…

General Relativity and Quantum Cosmology · Physics 2021-06-01 Andras Laszlo , Zoltan Zimboras

A new measurement of the neutron EDM, using Ramsey's method of separated oscillatory fields, is in preparation at the new high intensity source of ultra-cold neutrons (UCN) at the Paul Scherrer Institute, Villigen, Switzerland (PSI). The…

We briefly review recent experiments in atomic, molecular, and optical physics using precision measurements to search for physics beyond the Standard Model. We consider three main categories of experiments: searches for changes in…

Atomic Physics · Physics 2015-06-11 Chad Orzel
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