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Related papers: The Pulsed Neutron Beam EDM Experiment

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We analyze the neutron electric dipole moment (EDM) in the Minimal Supersymmetric Model with explicit R-parity violating terms. The leading contribution to the EDM occurs at the 2-loop level and is dominated by the chromoelectric dipole…

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

Fundamental symmetry tests with neutrons can provide unique information about whatever will be the new Standard Model of fundamental interactions. I review two aspects of this possibility: searches for the permanent electric dipole moment…

Nuclear Theory · Physics 2014-11-20 Michael J. Ramsey-Musolf

Searches for permanent electric-dipole moments (EDM) of atoms provide important constraints on competing extensions to the standard model of elementary particles. Recently proposed experiment with liquid $^{129}$Xe [M.V. Romalis and M.P.…

Atomic Physics · Physics 2008-12-18 Boris Ravaine , Andrei Derevianko

The recent demonstration of electron vortex beams has opened up the new possibility of studying orbital angular momentum (OAM) in the interaction between electron beams and matter. To this aim, methods to analyze the OAM of an electron beam…

Optics · Physics 2014-02-18 Giulio Guzzinati , Laura Clark , Armand Béché , Jo Verbeeck

It is shown that in the experiments for search of EDM of an electron (atom, molecule) the T-odd magnetic moment induced by an electric field and the T-odd electric dipole moment induced by a magnetic field will be also measured. It is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vladimir Baryshevsky

We report the first fully general numerical calculation of the neutron and electron dipole moments, including the seven significant phases. We find that there are major regions in the parameter space where none of the phases are required to…

High Energy Physics - Phenomenology · Physics 2016-08-25 Michal Brhlik , Gerald J. Good , G. L. Kane

Electron microscopy stands out as electron waves providing higher spatial resolving power compared to their optical counterpart. Here we investigate theoretically the interaction of twisted electrons generated in transmission electron…

Mesoscale and Nanoscale Physics · Physics 2021-03-17 Yan Wang , Chenglong Jia , Pengming Zhang

The relativistic theory for the electric dipole moment (EDM) of paramagnetic atoms arising from the electric dipole moment of the electron is presented. A novel approach using the relativistic coupled-cluster method that incorporates the…

Chemical Physics · Physics 2009-05-01 Debashis Mukherjee , B. K. Sahoo , H. S. Nataraj , B. P. Das

We demonstrate explicitly that some recent calculations of atomic electric dipole moments (EDM) are incomplete. A contribution overlooked therein is pointed out. When included, it cancels exactly the result of those calculations, and thus…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. F. Dmitriev , I. B. Khriplovich , R. A. Sen'kov

Polarized neutrons are a powerful probe to investigate magnetism in condensed matter on length scales from single atomic distances to micrometers. With the ongoing advancement of neutron optics, that allow to transport beams with increased…

Instrumentation and Detectors · Physics 2017-08-02 Jochen Stahn , Artur Glavic

A large number of well motivated searches for permanent Electric Dipole Moments are presently under way which have a robust discovery potential. The field has seen a number of novel ideas concerning both possible experimental and…

High Energy Physics - Experiment · Physics 2008-11-26 Klaus Jungmann

The paper presents recent results of a "point-like" neutron source development based on a D-D fusion in a D-loaded target caused by its bombardment with a sharply focused deuterium ion beam. These developments are undergoing at the…

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

A magnetic coil operated at cryogenic temperatures is used to produce spatial, relative field gradients below 6 ppm/cm, stable for several hours. The apparatus is a prototype of the magnetic components for a neutron electric dipole moment…

Intrinsic EDMs in microscopic systems at a level of sensitivity achievable in experiments under way or foreseen are predicted in supersymmetric unified theories. I describe this and other sources of measurable EDMs and I show how these…

High Energy Physics - Phenomenology · Physics 2015-06-25 Andrea Romanino

In this talk I discuss some aspects of the study of electric dipole moments (EDMs) of the fermions, in the context of R-parity violating (\rpv) Supersymmetry (SUSY). I will start with a brief general discussion of how dipole moments, in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Rohini M. Godbole

The observed baryon asymmetry of the universe (BAU) cannot be explained by the known sources of charge-parity (CP)-violation in the Standard Model (SM). A non-zero permanent electric-dipole-moment (EDM) for fundamental particles, nuclei or…

Nuclear Experiment · Physics 2020-07-29 Prajwal Mohanmurthy , Umesh Silwal , Durga P. Siwakoti , Jeff A. Winger

This paper validates 3D simulation results of electron beam melting (EBM) processes comparing experimental and numerical data. The physical setup is presented which is discretized by a three dimensional (3D) thermal lattice Boltzmann method…

Computational Engineering, Finance, and Science · Computer Science 2014-02-12 Regina Ammer , Matthias Markl , Vera Jüchter , Carolin Körner , Ulrich Rüde

The permanent electric dipole moment (EDM) of the ground state of potassium has been found by measuring the electric susceptibility. We find d(K)=(1.58 plus or minus 0.19(stat) plus or minus 0.13(syst)) times 10-8 e.cm and the induced EDM,…

General Physics · Physics 2011-06-28 Pei-Lin You

Even if only a small fraction of neutron dipole moments are aligned in a neutron star, observed pulsar radiation loses provide a stringent limit on the neutron electric dipole moment of <10-29 ecm, more stringent than best current…

General Physics · Physics 2010-02-15 C. Sivaram
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