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The 229Th nucleus possesses a unique low-frequency transition at 8.4 eV, which is being considered for the development of an extremely accurate nuclear clock. We investigate an electronic bridge process in the Th III ion, where nuclear…

Atomic Physics · Physics 2025-05-15 V. A. Dzuba , V. V. Flambaum

We report on our calculations of differential hyperfine anomalies in the nuclear single-particle model for a number of atoms and ions of interest for studies of fundamental symmetries violations. Comparison with available experimental data…

Atomic Physics · Physics 2021-08-31 B. M. Roberts , J. S. M. Ginges

The electric dipole moment is a very sensitive probe of CP violation beyond the standard model. Light nuclei are particularly interesting since the CP violation may be enhanced by nuclear many-body effects. In this proceeding, we present…

Nuclear Theory · Physics 2019-01-30 Nodoka Yamanaka

We propose a method to measure time-reversal symmetry violation in molecules that overcomes the standard quantum limit while leveraging decoherence-free subspaces to mitigate sensitivity to classical noise. The protocol does not require an…

Atomic Physics · Physics 2024-01-25 Chi Zhang , Phelan Yu , Arian Jadbabaie , Nicholas R. Hutzler

Minerals are solid state nuclear track detectors - nuclear recoils in a mineral leave latent damage to the crystal structure. Depending on the mineral and its temperature, the damage features are retained in the material from minutes (in…

We propose a nuclear mechanism which can induce an atomic electric dipole moment (EDM). Parity and time reversal violating (P,T-odd) nuclear forces generate a mixed P,T-odd nuclear polarizability beta_{ik} (defined by an energy shift U =…

Nuclear Theory · Physics 2007-05-23 V. V. Flambaum , J. S. M. Ginges , G. Mititelu

A time-reversal-violating spin-correlation coefficient in the total cross section for polarized neutrons incident on a tensor rank-2 polarized target is calculated by assuming a time-reversal-noninvariant, parity-conserving ``five-fold"…

Nuclear Theory · Physics 2009-09-25 V. Hnizdo , C. R. Gould

We explore the possibilities for a next-generation electron-electric-dipole-moment experiment using ultracold heteronuclear diatomic molecules assembled from a combination of radium and another laser-coolable atom. In particular, we…

Atomic Physics · Physics 2022-01-05 Timo Fleig , David DeMille

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

New physics beyond the Standard Model could appear at long baseline oscillation experiments as non-standard interactions (NSI) between neutrinos and matter. If so, determination of the CP-violating phase $\delta_{13}$ is ambiguous due to…

High Energy Physics - Phenomenology · Physics 2018-10-01 Jeffrey M. Hyde

A possible experimental setup for measuring the effect of parity violation in the interaction of the polarized proton or deuteron beams with an unpolarized target is discussed. One possibility is investigation of scattering of the proton or…

High Energy Physics - Experiment · Physics 2020-08-07 I. A. Koop , A. I. Milstein , N. N. Nikolaev , A. S. Popov , S. G. Salnikov , P. Yu. Shatunov , Yu. M. Shatunov

High luminosity Super B/Flavor factories, near and on top of the $\Upsilon$ resonances, allow for a detailed investigation of CP-violation in $\tau$ physics. In particular, bounds on the $\tau$ electric dipole moment can be obtained from…

High Energy Physics - Phenomenology · Physics 2007-07-12 G. A. González-Sprinberg , J. Bernabéu , J. Vidal

The electric dipole moment (EDM) is an excellent probe of new physics beyond the standard model of particle physics. The EDM of light nuclei is particularly interesting due to the high sensitivity to the hadron level CP violation. In this…

Nuclear Theory · Physics 2020-01-08 Nodoka Yamanaka

Electric dipole moments of atoms can arise from P-odd and T-odd electron--nucleon couplings. This work studies a general class of dimension-six electron--nucleon interactions mediated by Lorentz-violating tensors of ranks ranging from $1$…

High Energy Physics - Phenomenology · Physics 2019-07-25 Jonas B. Araujo , A. Blin , Marcos Sampaio , Manoel M. Ferreira

Nuclear spin-dependent parity violation (NSD-PV) effects in atoms and molecules arise from $Z^0$ boson exchange between electrons and the nucleus, and from the magnetic interaction between electrons and the parity-violating nuclear anapole…

Atomic Physics · Physics 2018-04-06 Emine Altuntas , Jeffrey Ammon , Sidney B. Cahn , David DeMille

We present precision measurements of the hyperfine intervals in the 5D3/2 manifold of a single trapped Barium ion, 137 Ba+ . Measurements of the hyperfine intervals are made between mF = 0 sublevels over a range of magnetic fields allowing…

Atomic Physics · Physics 2015-06-05 Nicholas C. Lewty , Boon Leng Chuah , Radu Cazan , B. K. Sahoo , M. D. Barrett

Electric dipole moments of nuclei, diamagnetic atoms, and certain molecules are induced by CP-violating nuclear forces. Naive dimensional analysis predicts these forces to be dominated by long-range one-pion-exchange processes, with…

High Energy Physics - Phenomenology · Physics 2021-02-03 Jordy de Vries , Alex Gnech , Sachin Shain

Peik and Tamm [Europhys. Lett. 61, 181 (2003)] proposed a nuclear clock based on the isomeric transition between the ground state and the first excited state of thorium-229. This transition was recognized as a potentially sensitive probe of…

Atomic Physics · Physics 2021-01-19 Pavel Fadeev , Julian C. Berengut , Victor V. Flambaum

Weak interactions within a nucleus generate a nuclear spin dependent parity violating electromagnetic moment; the anapole moment. In heavy nuclei, the anapole moment is the dominant contribution to spin-dependent atomic parity violation. We…

Atomic Physics · Physics 2009-09-29 E. Gomez , S. Aubin , G. D. Sprouse , L. A. Orozco , D. P. DeMille

We review standard and non-standard neutrino physics probes that are based on nuclear measurements. We pay special attention on the discussion of prospects to extract new physics at prominent rare event measurements looking for…

High Energy Physics - Phenomenology · Physics 2019-11-28 D. K. Papoulias , T. S. Kosmas , Y. Kuno