English
Related papers

Related papers: Measurement of the electron's electric dipole mome…

200 papers

This paper presents the calculation of the electric transition dipole moment in a pre-Born-Oppenheimer framework. Electrons and nuclei are treated equally in terms of the parametrization of the non-relativistic total wave function, which is…

Chemical Physics · Physics 2014-10-17 Benjamin Simmen , Edit Matyus , Markus Reiher

The molecular electric dipole, quadrupole and octupole moments of a selected set of 21 spin-compensated molecules are determined employing the extended version of the Piris natural orbital functional 6 (PNOF6), using the triple-$\zeta$…

Chemical Physics · Physics 2016-08-11 Ion Mitxelena , Mario Piris

The electric and magnetic dipole moments of dyon fermions are calculated within N=2 supersymmetric Yang-Mills theory including the theta-term. It is found, in particular, that the gyroelectric ratio deviates from the canonical value of 2…

High Energy Physics - Theory · Physics 2008-11-26 Makoto Kobayashi , Taichiro Kugo , Tatsuya Tokunaga

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

We perform calculations of the CP-violating atomic and molecular electric dipole moments (EDM) induced by the interaction of the nuclear Schiff moments with electrons. EDM of atoms Eu, Dy, Gd, Ac, Th, Pa, U, Np and Pu are of special…

Atomic Physics · Physics 2020-04-15 V. V. Flambaum , V. A. Dzuba

The effective electric field experienced by the unpaired electron in the ground state of PbF, which is a potential candidate in the search of electron electric dipole moment due to some special characteristics, is calculated using Z-vector…

Atomic Physics · Physics 2015-08-28 Sudip Sasmal , Himadri Pathak , Malaya K. Nayak , Nayana Vaval , Sourav Pal

Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |d_e| < 1.05 e -27 e cm would be an indication of physics beyond the Standard Model. The ACME Collaboration…

The electric dipole moments of $(H_{2}O)_{n}DCl$ ($n=3-9$) clusters have been measured by the beam deflection method. Reflecting the (dynamical) charge distribution within the system, the dipole moment contributes information about the…

Atomic and Molecular Clusters · Physics 2015-02-06 Nicholas Guggemos , Petr Slavíček , Vitaly V. Kresin

Electric dipole moments are extremely sensitive probes for additional sources of CP violation in new physics models. Specifically, they have been argued in the past to exclude new CP-violating phases in two-Higgs-doublet models. Since…

High Energy Physics - Phenomenology · Physics 2015-06-17 Martin Jung , Antonio Pich

Searches for permanent electric dipole moments (EDMs) of fundamental particles render the possibility to discover New Physics beyond present Standard Theory. New ideas for experiments have come up recently which may allow to lower present…

Atomic Physics · Physics 2017-08-23 Klaus P. Jungmann

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

A resonance method of measuring the electric dipole moment (EDM) of nuclei in storage rings is described, based on two new ideas: (1) Oscillating particles' velocities in resonance with spin precession, and (2) alternately producing two…

High Energy Physics - Experiment · Physics 2009-11-11 Yuri F. Orlov , William M. Morse , Yannis K. Semertzidis

Precise measurement of the electric dipole moments (EDM) of fundamental charged particles would provide a significant probe of physics beyond the standard model. Any measurably large EDM would imply violation of both time reversal and…

Accelerator Physics · Physics 2015-12-07 Richard Talman

For a twisted (vortex) Dirac particle in nonuniform electric and magnetic fields, the relativistic Foldy-Wouthuysen Hamiltonian is derived including high order terms describing new effects. The result obtained shows for the first time that…

Quantum Physics · Physics 2019-02-20 Alexander J. Silenko , Pengming Zhang , Liping Zou

A permanent electric dipole moment (EDM) of a particle or system is a separation of charge along its angular-momentum axis and is a direct signal of T-violation and, assuming CPT symmetry, CP violation. For over sixty years EDMs have been…

Atomic Physics · Physics 2019-02-08 Timothy Chupp , Peter Fierlinger , Michael Ramsey-Musolf , Jaideep Singh

We report the theoretical investigation of the suppression of magnetic systematic effects in HfF$^+$ cation for the experiment to search for the electron electric dipole moment. The g-factors for $J = 1$, $F=3/2$, $|M_F|=3/2$ hyperfine…

Atomic Physics · Physics 2017-08-09 A. N. Petrov , L. V. Skripnikov , A. V. Titov

In this article, we have employed relativistic many-body theory to theoretically assess the suitability of TlF+ molecular ion in its ground state for electron electric dipole moment searches. To that end, we have computed values of the…

Atomic Physics · Physics 2022-10-12 R. Bala , V. S. Prasannaa , M. Abe , B. P. Das

In this proceeding, we present the results of the theoretical evaluations of the electric dipole moment (EDM) of light nuclei, including the preliminary value for the 11B nucleus. From the data, we can infer an approximate counting rule,…

Nuclear Theory · Physics 2018-08-30 Nodoka Yamanaka

Recently the YbOH molecule has been suggested as a candidate to search for the electron electric dipole moment (eEDM) which violates spatial parity (P) and time-reversal (T) symmetries [I. Kozyryev and N. R. Hutzler, Phys. Rev. Lett. 119,…

Atomic Physics · Physics 2021-02-15 D. E. Maison , V. V. Flambaum , N. R. Hutzler , L. V. Skripnikov

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