Violations of fundamental symmetries in atoms and tests of unification theories of elementary particles

Ginges, J. S. M.; Flambaum, V. V.

doi:10.1016/j.physrep.2004.03.005

Cited by 612 publications

(767 citation statements)

References 337 publications

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“…[4]) and in the next section. In that procedure, we replaceΣ in equations for valence BO's by the rescaled operator λΣ with λ chosen to fit experimental energies exactly.…”

Section: Methods Of Calculationsmentioning

confidence: 87%

“…The analysis of the most precise measurement of PNC in cesium reveals that at the present level of accuracy (0.35% for experiment, 0.5% for theory, see, e.g. [4]) there is perfect agreement with the standard model of the electroweak interactions. To search for new physics beyond the standard model in low-energy physics, one needs to improve the accuracy of the analysis.…”

Section: Introductionmentioning

confidence: 85%

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Calculation of isotope shifts for cesium and francium

2005

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We perform ab initio calculations of isotope shifts for isotopes of cesium (from A=123 to A=137) and francium (from A=207 to A=228). These calculations start from the relativistic Hartree-Fock method and make use of several techniques to include correlations. The field (volume) isotope shift is calculated by means of an all-order correlation potential method and within the singlesdoubles partial triples linearized coupled-cluster approach. Many-body perturbation theory in two different formulations is used to calculate the specific mass shift. We discuss the strong points and shortcomings of the different approaches and implications for parity nonconservation in atoms. Changes in nuclear charge radii are found by comparing the present calculations with experiment.

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“…[4]) and in the next section. In that procedure, we replaceΣ in equations for valence BO's by the rescaled operator λΣ with λ chosen to fit experimental energies exactly.…”

Section: Methods Of Calculationsmentioning

confidence: 87%

Section: Introductionmentioning

confidence: 85%

Calculation of isotope shifts for cesium and francium

2005

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“…withĤ B given by (1). Inclusion of these terms cannot be justified since expression (1) is already approximate.…”

Section: Theorymentioning

confidence: 99%

Breit interaction and parity nonconservation in many-electron atoms

2006

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We present accurate ab initio non-perturbative calculations of the Breit correction to the parity non-conserving (PNC) amplitudes of the 6s−7s and 6s−5d 3/2 transitions in Cs, 7s−8s and 7s−6d 3/2 transitions in Fr, 6s − 5d 3/2 transition in Ba + , 7s − 6d 3/2 transition in Ra + , and 6p 1/2 − 6p 3/2 transition in Tl. The results for the 6s − 7s transition in Cs and 7s − 8s transition in Fr are in good agreement with other calculations while calculations for other atoms/transitions are presented for the first time. We demonstrate that higher-orders many-body corrections to the Breit interaction are especially important for the s − d PNC amplitudes. We confirm good agreement of the PNC measurements for cesium and thallium with the standard model .

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“…Atomic calculations summarized in [29] link the atomic EDM with d e and various CP-odd electron-nucleon interactions, of which we shall only consider the most relevant, namely C S ei 5 …”

Section: Edms Of Paramagnetic Atoms-thallium Edmmentioning

confidence: 99%

Electric dipole moment constraints on minimal electroweak baryogenesis

2007

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We study the simplest generic extension of the standard model which allows for conventional electroweak baryogenesis, through the addition of dimension-six operators in the Higgs sector. At least one such operator is required to be CP-odd, and we study the constraints on such a minimal setup, and related scenarios with minimal flavor violation, from the null results of searches for electric dipole moments (EDMs), utilizing the full set of two-loop contributions to the EDMs. The results indicate that the current bounds are stringent, particularly that of the recently updated neutron EDM, but fall short of ruling out these scenarios. The next generation of EDM experiments should be sufficiently sensitive to provide a conclusive test.

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Violations of fundamental symmetries in atoms and tests of unification theories of elementary particles

Cited by 612 publications

References 337 publications

Calculation of isotope shifts for cesium and francium

Calculation of isotope shifts for cesium and francium

Breit interaction and parity nonconservation in many-electron atoms

Electric dipole moment constraints on minimal electroweak baryogenesis

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