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Within the minimal Left-Right (LR) symmetric model we revisit the predictions for the kaon CP violating observables $\varepsilon$ and $\varepsilon'$ in correlation with the neutron electric dipole moment. We perform a complete study of the…

High Energy Physics - Phenomenology · Physics 2020-03-09 Stefano Bertolini , Alessio Maiezza , Fabrizio Nesti

We present a detailed study of the effect of the double core polarization (the polarization of the core electrons due to the simultaneous action of the electric dipole and parity-violating weak fields) for amplitudes of the s-s and s-d…

Atomic Physics · Physics 2014-03-20 B. M. Roberts , V. A. Dzuba , V. V. Flambaum

We use the radiative potential method to perform a detailed study of quantum electrodynamics (QED) radiative corrections to electric dipole (E1) transition amplitudes in heavy alkali-metal atoms Rb, Cs, Fr, and alkali-metal-like ions Sr+,…

Atomic Physics · Physics 2023-03-21 C. J. Fairhall , B. M. Roberts , J. S. M. Ginges

We present the full result for the down squark mass-squared matrix in the complete theory of supersymmetry without R-parity where all kind of R-parity violating terms are admitted without bias. An optimal parametrization, the single-VEV…

High Energy Physics - Phenomenology · Physics 2009-10-31 Y. -Y. Keum , Otto C. W. Kong

The complete gauge-invariant set of the one-loop QED corrections to the parity-nonconserving 6s-7s amplitude in $^{133}$Cs is evaluated to all orders in $\alpha Z$ using a local version of the Dirac-Hartree-Fock potential. The calculations…

Atomic Physics · Physics 2016-09-08 V. M. Shabaev , K. Pachucki , I. I. Tupitsyn , V. A. Yerokhin

The scaling of nuclear spin-dependent parity violating effects with increasing nuclear charge $Z$ is discussed in two series of isovalent open-shell diatomic molecules. The parameter $W_\mathrm{a}$ characterising the strength of parity…

Chemical Physics · Physics 2013-04-09 T. A. Isaev , R. Berger

Searches for violations of the fundamental symmetries of parity P and time reversal T in atomic and molecular systems provide a powerful tool for precise measurements of the physics of and beyond the standard model. In this work, we…

Atomic Physics · Physics 2024-12-12 Sebastian Lahs , Daniel Comparat

Parity (P) and time (T) invariance violating effects in the Ra atom are strongly enhanced due to close states of opposite parity, the large nuclear charge Z and the collective nature of P,T-odd nuclear moments. We have performed…

Atomic Physics · Physics 2009-10-31 V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

Parity- and time reversal-violating (PVTV) pion-nucleon couplings govern the magnitude of long-range contributions to nucleon and atomic electric dipole moments. When these couplings arise from chiral symmetry-breaking CP-violating…

High Energy Physics - Phenomenology · Physics 2017-12-27 Chien-Yeah Seng , Michael Ramsey-Musolf

We investigate parity violation in neutron-nucleus collisions at very low energy region $(E \leq 100 \ev)$, including resonance states. We use the coupled channel formalism for resonances with radiative emission. The parity mixing between…

Nuclear Theory · Physics 2009-10-28 Hikoya Kasari , Yoshio Yamaguchi

Detection of parity (P) and time-reversal (T) symmetry-odd electric dipole moments (EDMs) within currently achievable resolution would evidence physics beyond the Standard Model of particle physics. Via the CPT-theorem, which includes…

High Energy Physics - Phenomenology · Physics 2024-09-24 Konstantin Gaul , Robert Berger

Parity-violating differences in rotational constants of a chiral 5d transition metal complex, that was previously experimentally well-characterised by broad-band microwave spectroscopy, are predicted with a recently established efficient…

Chemical Physics · Physics 2023-05-09 Nityananda Sahu , Konstantin Gaul , Anke Wilm , Melanie Schnell , Robert Berger

CP violation at low energy is investigated at the tau electromagnetic vertex. High statistics at B factories, and on top of the Upsilon resonances, allows a detailed investigation of CP-odd observables related to the tau-pair production.…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Bernabeu , G. A. Gonzalez-Sprinberg , J. Vidal

We employ an all-particle multireference Fock-space relativistic coupled-cluster (FSRCC) theory to compute the ionization potential, excitation energy, transition rate and hyperfine structure constants associated with…

Atomic Physics · Physics 2025-10-20 Ravi Kumar , Palki Gakkhar , D. Angom , B. K. Mani

The parity-violating cross-section asymmetry in the elastic scattering of polarized electrons from unpolarized protons has been measured at a four-momentum transfer squared Q2 = 0.624 GeV and beam energy E =3.48 GeV to be A_PV = -23.80 +/-…

The contribution in the R-parity violating (RPV) Minimal Supersymmetric Standard Model (MSSM) to the electric dipole moment (EDM) of $^{199}$Hg at the one-loop level is evaluated. At the one-loop level, the $^{199}$Hg EDM receives RPV…

High Energy Physics - Phenomenology · Physics 2010-10-04 Nodoka Yamanaka , Toru Sato , Takahiro Kubota

The high effective electric field ($E_\mathrm{eff}$) experienced by the unpaired electron in an atom or a molecule is one of the key ingredients in the success of electron electric dipole moment (eEDM) experiment and its precise calculation…

Atomic Physics · Physics 2016-03-28 Sudip Sasmal , Himadri Pathak , Malaya K. Nayak , Nayana Vaval , Sourav Pal

Radiative corrections to the parity-violating asymmetry measured in elastic electron-proton scattering are analyzed in the framework of the Standard Model. We include the complete set of one-loop contributions to one quark current…

Nuclear Theory · Physics 2007-05-23 S. Barkanova , A. Aleksejevs , P. G. Blunden

We consider elastic scattering of electrons off a proton target. The parity violating (PV) asymmetry arises at leading order in $\alpha$ due to interference of $\gamma$ and $Z$ exchange. The radiative corrections to this leading mechanism…

High Energy Physics - Phenomenology · Physics 2010-04-21 M. Gorchtein , C. J. Horowitz

Studying the violation of parity and time-reversal invariance in atomic systems has proven to be a very effective means for testing the electroweak theory at low energy and searching for physics beyond it. Recent developments in both atomic…

Atomic Physics · Physics 2015-05-11 B. M. Roberts , V. A. Dzuba , V. V. Flambaum
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