On the P- and T-nonconserving nuclear moments

Flambaum, V. V.; Khriplovich, I.B.; Sushkov, O. P.

doi:10.1016/0375-9474(86)90331-3

Cited by 155 publications

(225 citation statements)

References 12 publications

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“…There are several calculations of the 199 Hg EDM in terms of the Schiff moment in the literature, which can be cast in the general form 8) with the coefficient taking the values C S Hg = −4 [34,35], −2.8 [36] and +5.07 [37]. We note that we have changed the sign of the most recent calculation based on relativistic coupledcluster theory [37], so as to match the conventions in the previous calculations [34][35][36] JHEP02 (2011)045 based on coupled perturbed Hartree-Fock calculations, and that it has a different sign. For our numerical calcluatons we take the estimates of the coefficient C S Hg that have negative signs.…”

Section: Jhep02(2011)045mentioning

confidence: 99%

Maximal electric dipole moments of nuclei with enhanced Schiff moments

Ellis

Lee

Pilaftsis

2011

J. High Energ. Phys.

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Abstract:The electric dipole moments (EDMs) of heavy nuclei, such as 199 Hg, 225 Ra and 211 Rn, can be enhanced by the Schiff moments induced by the presence of nearby parity-doublet states. Working within the framework of the maximally CP-violating and minimally flavour-violating (MCPMFV) version of the MSSM, we discuss the maximal values that such EDMs might attain, given the existing experimental constraints on the Thallium, neutron and Mercury EDMs. The maximal EDM values of the heavy nuclei are obtained with the help of a differential-geometrical approach proposed recently that enables the maxima of new CP-violating observables to be calculated exactly in the linear approximation. In the case of 225 Ra, we find that its EDM may be as large as 6 to 50 × 10 −27 e · cm.

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Section: Jhep02(2011)045mentioning

confidence: 99%

Maximal electric dipole moments of nuclei with enhanced Schiff moments

Ellis

Lee

Pilaftsis

2011

J. High Energ. Phys.

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“…The value for the S obtained in Ref. [39] is about 30% smaller than the value from an older calculation [42]. This older value was an estimate obtained from a calculation of the 199 Hg EDM induced by the P,T-violating electron-nucleon tensor interaction [35].…”

Section: Schiff Momentmentioning

confidence: 76%

“…The contribution to the Schiff moment from these interactions is expected to be one to two orders of magnitude larger than that generated directly by the nucleon EDMs [42,48].…”

Section: Pt -Violating Nucleon-nucleon Interactionsmentioning

confidence: 92%

“…Several calculations [39,40,42,43]o ft h e 199 Hg atomic EDM induced by its nuclear Schiff moment have been made. The most recent [39] was a calculation employing the configuration interaction technique to assess the contribution of valance electrons, and many-body perturbation theory with random-phase approximation methods to deal with the electron core, which found d( 199 Hg) =−2.6 × 10 −17 S e fm 3 e cm.…”

Section: Schiff Momentmentioning

confidence: 99%

“…[42,48] used a nucleon-nucleon contact interaction in the nuclear shell model, and obtained a result that can be interpreted [49] in terms of the current notation as…”

Section: Pt -Violating Nucleon-nucleon Interactionsmentioning

confidence: 99%

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Techniques used to search for a permanent electric dipole moment of the199Hg atom and the implications forCPviolation

et al. 2013

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Copyright and reuse:Sussex Research Online is a digital repository of the research output of the University.Copyright and all moral rights to the version of the paper presented here belong to the individual author(s) and/or other copyright owners. To the extent reasonable and practicable, the material made available in SRO has been checked for eligibility before being made available.Copies of full text items generally can be reproduced, displayed or performed and given to third parties in any format or medium for personal research or study, educational, or not-for-profit purposes without prior permission or charge, provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. We discuss in detail the search for a permanent electric dipole moment (EDM) of the 199 Hg atom reported by Griffith et al. [Phys. Rev. Lett. 102, 101601 (2009)]. The upper bound, d( 199 Hg) < 3.1 × 10 −29 e cm (95% C.L.), is a factor of 7 improvement over the best previous EDM limit for 199 Hg, provides the most sensitive probe to date for EDMs in diamagnetic atoms, and sets new limits on time-reversal symmetry violation in extensions to the standard model. This paper provides extensive discussion of the techniques used to search for the 199 Hg EDM and the implications of the new 199 Hg EDM limit for CP violation in elementary particle interactions.

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Atomic Physics Studies at the Gamma Factory at CERN

et al. 2020

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The Gamma Factory initiative proposes to develop novel research tools at CERN by producing, accelerating, and storing highly relativistic, partially stripped ion beams in the SPS and LHC storage rings. By exciting the electronic degrees of freedom of the stored ions with lasers, high-energy narrow-band photon beams will be produced by properly collimating the secondary radiation that is peaked in the direction of ions' propagation. Their intensities, up to 10 17 photons per second, will be several orders of magnitude higher than those of the presently operating light sources in the particularly interesting-ray energy domain reaching up to 400 MeV. This article reviews opportunities that may be afforded by utilizing the primary beams for spectroscopy of partially stripped ions circulating in the storage ring, as well as the atomic-physics opportunities made possible by the use of the secondary high-energy photon beams. The Gamma Factory will enable groundbreaking experiments in spectroscopy and novel ways of testing fundamental symmetries of nature.

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On the P- and T-nonconserving nuclear moments

Cited by 155 publications

References 12 publications

Maximal electric dipole moments of nuclei with enhanced Schiff moments

Maximal electric dipole moments of nuclei with enhanced Schiff moments

Techniques used to search for a permanent electric dipole moment of the199Hg atom and the implications forCPviolation

Atomic Physics Studies at the Gamma Factory at CERN

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