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Related papers: Time-Reversal-Violating Schiff Moment of 199Hg

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We use the Skyrme-Hartree-Fock method, allowing all symmetries to be broken, to calculate the time-reversal-violating nuclear Schiff moment (which induces atomic electric dipole moments) in the octupole-deformed nucleus 225Ra. Our…

Nuclear Theory · Physics 2009-11-10 J. Engel , M. Bender , J. Dobaczewski , J. H. de Jesus , P. Olbratowski

We calculate the Schiff moments of the nuclei 199Hg and 211Ra in completely self-consistent odd-nucleus mean-field theory by modifying the Hartree-Fock-Bogoliubov code HFODD. We allow for arbitrary shape deformation, and include the effects…

Nuclear Theory · Physics 2014-11-20 Shufang Ban , Jacek Dobaczewski , Jonathan Engel , A. Shukla

We present a comprehensive mean-field calculation of the Schiff moment of the nucleus 225Ra, the quantity which determines the static electric dipole moment of the corresponding atom if time-reversal (T) invariance is violated in the…

Nuclear Theory · Physics 2009-11-11 J. Dobaczewski , J. Engel

The Schiff moment, $\smij$, is a parity and time reversal violating fermion-fermion coupling. The nucleus-electron Schiff moment generically gives the most important contribution to the electric dipole moments of atoms and molecules with…

High Energy Physics - Phenomenology · Physics 2009-10-28 Scott Thomas

The Schiff moment of the $^{199}$Hg nucleus was calculated using finite range P- and T-violating weak nucleon-nucleon interaction. Effects of the core polarization were considered in the framework of RPA with effective residual forces.

Nuclear Theory · Physics 2009-11-10 V. F. Dmitriev , R. A. Sen'kov

This paper reviews the calculation of nuclear Schiff moments, which one must know in order to interpret experiments that search for time-reversal-violating electric dipole moments in certain atoms and molecules. After briefly reviewing the…

Nuclear Theory · Physics 2025-01-07 Jonathan Engel

The theoretical uncertainty in the nuclear Schiff moment is an obstacle to set constraints on $ CP $ violation beyond the standard model from experimental upper bounds on atomic electric dipole moments. We perform large-scale shell-model…

Nuclear Theory · Physics 2021-01-04 Kota Yanase , Noritaka Shimizu

Nuclear forces violating parity and time reversal invariance P,T-odd produce P,T-odd nuclear moments, for example, the nuclear Schiff moment. In turn, this moment can induce the electric dipole moment (EDM) in the atom. The contribution to…

Nuclear Theory · Physics 2007-05-23 A. F. Lisetskiy , V. V. Flambaum , V. G. Zelevinsky

We show that existing calculations of the interaction between nuclear Schiff moments and electrons in molecules use an inaccurate operator which gives rise to significant errors. By comparing the matrix elements of the accurate and…

Atomic Physics · Physics 2020-04-08 V. V. Flambaum , V. A. Dzuba , H. B. Tran Tan

We examine the time-reversal-violating nuclear ``Schiff moment'' that induces electric dipole moments in atoms. After presenting a self-contained derivation of the form of the Schiff operator, we show that the distribution of Schiff…

Nuclear Theory · Physics 2014-11-18 J. Engel , J. L. Friar , A. C. Hayes

Parity and time invariance violating (${\cal P},{\cal T}$-odd) nuclear forces produce ${\cal P},{\cal T}$-odd nuclear moments, for example, the nuclear Schiff moment. In turn, this moment can induce electric dipole moments (EDMs) in atoms.…

Nuclear Theory · Physics 2009-08-18 V. V. Flambaum , V. G. Zelevinsky

Stimulated by recent suggestion of Cosmic Axion Spin Precession Experiment with Eu contained compound we develop a new method for accurate calculation of Schiff moments of even-odd deformed nuclei. The method is essentially based on…

Nuclear Theory · Physics 2023-07-11 Oleg P. Sushkov

Nuclear Schiff moments (NSMs) are sensitive probes for physics beyond the Standard Model of particle physics, signaling violations of time-reversal and parity-inversion symmetries in atomic nuclei. In this Letter, we report the first-ever…

Nuclear Theory · Physics 2026-03-03 Kia Boon Ng , Stephan Foster , Lan Cheng , Petr Navratil , Stephan Malbrunot-Ettenauer

The nuclear Schiff moment creates a mechanism of transfer of the violation of parity and time-reversal invariance by weak interaction in nuclei into the atomic electric dipole moment. We point out an additional contribution to the Schiff…

Nuclear Theory · Physics 2015-06-11 Naftali Auerbach , Vladimir Zelevinsky

We calculated the contribution of internal nucleon electric dipole moments to the Schiff moment of $^{199}$Hg. The contribution of the proton electric dipole moment was obtained via core polarization effects that were treated in the…

Nuclear Theory · Physics 2008-11-26 V. F. Dmitriev , R. A. Sen'kov

Nuclear forces violating parity and time reversal invariance (${\cal P},{\cal T}$-odd) produce ${\cal P},{\cal T}$-odd nuclear moments, for example, the nuclear Schiff moment. In turn, this moment can induce the electric dipole moment in…

Nuclear Theory · Physics 2008-11-26 N. Auerbach , V. F. Dmitriev , V. V. Flambaum , A. Lisetskiy , R. A. Sen'kov , V. G. Zelevinsky

The electric dipole moments of closed-shell atoms are sensitive to the parity and time-reversal violating phenomena in the nucleus. The nuclear Schiff moment is one such property, it arises from the parity and time reversal violating…

Atomic Physics · Physics 2010-11-11 K V P Latha , Dilip Angom , Rajat K Chaudhuri , B P Das , Debashis Mukherjee

A positive experimental measurement of the nuclear Schiff moment would have important implications for physics beyond the standard model. To aid in the interpretation of a proposed experiment to measure the nuclear Schiff moment of…

Atomic Physics · Physics 2015-06-11 J. A. Ludlow , O. P. Sushkov

We present relativistic many-body calculations of atomic and molecular Schiff-moment interaction constants including interelectron correlation effects using atomic Gaussian basis sets specifically optimized for the Schiff interaction. Our…

Atomic Physics · Physics 2022-09-14 Mickaël Hubert , Timo Fleig

Octupole deformation results in a strongly enhanced collective Schiff moment in 229Th nucleus. An additional enhancement of time reversal (T) and parity (P) violating effects (such as T,P-violating electric dipole moments) appears in the…

Atomic Physics · Physics 2019-03-27 V. V. Flambaum
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