English
Related papers

Related papers: Constraints on the nuclear Schiff moment from its …

200 papers

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

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

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

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

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

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

Parity and time invariance violating (P,T-odd) nuclear forces produce P,T-odd nuclear moments. In turn, these moments can induce electric dipole moments (EDMs) in atoms through the mixing of electron wavefunctions of opposite parity. The…

Nuclear Theory · Physics 2008-11-26 V. V. Flambaum , J. S. M. Ginges

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

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

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

Schiff moments were calculated for a set of nuclei with full account of core polarization effects. A finite range P and T violating weak nucleon-nucleon interaction has been used in the calculations. While in the absence of core…

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

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

Nuclei with static intrinsic octupole deformation or a soft octupole vibrational mode lead to strongly enhanced collective nuclear Schiff? moments. Interaction between electrons and these Schiff moments produce enhanced time reversal (T)…

Nuclear Theory · Physics 2020-01-15 V. V. Flambaum , H. Feldmeier

The electric dipole moments (EDMs) of diamagnetic atoms are expected to be sensitive to charge-parity violation particularly in nuclei through the nuclear Schiff moment. I explicitly demonstrate that the well-known form of the Schiff moment…

Nuclear Theory · Physics 2021-03-10 Kota Yanase

We compute the nuclear Schiff moments of the diamagnetic atoms $^{129}$Xe, $^{199}$Hg, and $^{225}$Ra in multireference covariant density functional theory. Beyond-mean-field correlations, arising from symmetry restoration and shape mixing,…

Nuclear Theory · Physics 2025-07-03 E. F. Zhou , J. M. Yao , J. Engel , J. Meng

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 calculate the effect of the P, CP-odd electron-nucleon interaction on the electric dipole moment of the $^{199}$Hg atom by evaluating the nuclear spin matrix elements in terms of the nuclear shell model. It is found that the neutron spin…

Nuclear Theory · Physics 2019-04-18 Kota Yanase , Naotaka Yoshinaga , Koji Higashiyama , Nodoka Yamanaka

Deformed nuclei exhibit enhanced moments that violate time-reversal invariance ($T$) and parity ($P$). This paper focuses on the enhanced nuclear electric dipole moment (EDM) and Schiff moment present in nuclei with octupole deformation…

Nuclear Theory · Physics 2025-06-24 V. V. Flambaum , A. J. Mansour

The atomic electric dipole moment (EDM) currently searched by a number of experimental groups requires that both parity and time-reversal invariance be violated. According to current theoretical understanding, the EDM is induced by the…

Nuclear Theory · Physics 2008-11-26 Vladimir Zelevinsky , Alexander Volya , Naftali Auerbach

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
‹ Prev 1 2 3 10 Next ›